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Lymph Nodes and Glands: Location, Function, Common Problems
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.vn-container{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;height:3rem;margin:0 auto;max-width:77.5rem;z-index:1}@media(min-width:64rem){.vn-wrapper .vn-container{height:4.6875rem}}.vn-wrapper .vn-container.lite{max-width:100%}@media(min-width:64rem){.vn-wrapper .vn-container.lite{height:3.5rem}}.vn-wrapper .vn-menu-btn{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background:none;border:0;color:#fff;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex;height:100%;line-height:1;padding:0}.vn-wrapper .vn-menu-btn:not(.lite){margin-right:1.166875rem}@media(min-width:64rem){.vn-wrapper .vn-menu-btn:not(.lite){margin-right:0}}.vn-wrapper .vn-menu-btn i{font-size:2.25rem;width:2.25rem;overflow:hidden}.vn-wrapper .vn-menu-btn svg{fill:currentColor;pointer-events:none}.vn-wrapper .vn-menu-btn.vn-search 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.vn-logo-container .vn-logo img:not(.lite){width:7.25rem}}.vn-wrapper .vn-logo-container.with-program .vn-logo img{height:.875rem}@media(min-width:64rem){.vn-wrapper .vn-logo-container.with-program .vn-logo img{height:1.4375rem}}.vn-wrapper .vn-logo-container.with-program .vn-prog-logo img{height:.9375rem}@media(min-width:64rem){.vn-wrapper .vn-logo-container.with-program .vn-prog-logo img{height:1.5625rem}}.vn-wrapper .vn-links{background:#f9f9fc;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;height:calc(100vh - 3rem);left:-140vw;overflow:auto;padding:.5rem;position:fixed;top:3rem;-webkit-transition:left .5s ease;transition:left .5s ease;width:100%;z-index:100}@media(min-width:37.5rem){.vn-wrapper .vn-links{max-width:25rem}}@media(min-width:64rem){.vn-wrapper .vn-links.lite{height:calc(100vh - 3.5rem);top:3.5rem}}@media(min-width:64rem){.vn-wrapper 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.vn-menu-section{left:0;opacity:1;visibility:visible}}@media(min-width:81.25rem){.vn-wrapper .vn-links .vn-links-list:not(.lite)>li:not(:nth-child(7)){margin-right:1rem}}.vn-wrapper .vn-links .vn-menu-section{background:#f9f9fc;height:calc(100vh - 3rem);right:-140vw;overflow:auto;padding:0 1.5rem 6.25rem 1.5rem;position:fixed;top:3rem;-webkit-transition:all .5s ease;transition:all .5s ease;width:100%;z-index:10}.vn-wrapper .vn-links .vn-menu-section.lite{height:calc(100vh - 3.5rem);top:3.5rem}@media(min-width:37.5rem){.vn-wrapper .vn-links .vn-menu-section{max-width:25rem;left:-140vw;right:auto}.vn-wrapper .vn-links .vn-menu-section.open{left:0;right:auto}}.vn-wrapper .vn-links .vn-menu-section.open{right:0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header{-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-bottom:1px solid #c6cedb;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;padding:.75rem 0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header h3{color:#1b1b1b;font-size:1.25rem;line-height:1;margin:0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header a{color:#3557ff;font-weight:400;text-decoration:none}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header a img{margin-right:.5rem;width:.8125rem}.vn-wrapper .vn-links .vn-menu-section ul{margin:.75rem 0;list-style:none;padding:0}.vn-wrapper .vn-links .vn-menu-section ul li{font-size:1.125rem;font-weight:400}.vn-wrapper .vn-links .vn-menu-section ul li a{color:#1b1b1b;display:block;padding:.75rem 0;text-decoration:none}.vn-wrapper .vn-links .vn-menu-section ul li a:hover{color:#3557ff}.vn-wrapper .vn-links .vn-menu-section ul li hr{border:1px solid #c6cedb}@media(min-width:64rem){.vn-wrapper .vn-links .vn-menu-section:not(.lite){background:#fff;border-radius:0 0 5px 5px;border-top:0;left:-20px;margin-left:-3.75rem;max-width:none;height:auto;opacity:0;padding:1.875rem 2.875rem;position:absolute;top:4.6875rem;width:18.75rem;visibility:hidden}.vn-wrapper .vn-links .vn-menu-section:not(.lite) hr{display:none}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul{margin:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li{border-bottom:1px solid #c6cedb}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li:last-of-type{border-bottom:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li.vn-see-all a{-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;color:#3557ff;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li.vn-see-all a img{height:.75rem;margin-right:.5rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1{width:60.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul{-webkit-columns:4;-moz-columns:4;columns:4;-webkit-column-gap:2.875rem;-moz-column-gap:2.875rem;column-gap:2.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(7),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(14),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(21){border-bottom:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3{width:35rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul{-webkit-columns:2;-moz-columns:2;columns:2;-webkit-column-gap:2.875rem;-moz-column-gap:2.875rem;column-gap:2.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul li:nth-child(8),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul li:nth-child(16){border-bottom:0}}@media(min-width:64rem)and (max-width:81.25rem){.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1{margin-left:-8.75rem}}.vn-wrapper .vn-links .vn-back{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background:none;border:0;color:#3557ff;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex;padding:1rem 0}.vn-wrapper .vn-links .vn-back i{font-size:.75rem;margin-right:.3125rem}.vn-wrapper .vn-links .vn-actions{margin-top:1rem}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-left:1px solid #cccce7;display:-webkit-box;display:-ms-flexbox;display:flex;margin:1.1875rem 0;padding-left:1.25rem}}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe{border-left:none}}.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe .vn-signin{padding-left:.9375rem}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe .vn-signin{padding-left:0}}.vn-wrapper .vn-links .vn-actions .vn-signin{color:#3557ff;font-weight:600;padding:0 1.5rem;text-decoration:none}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions .vn-signin:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-size:1.0625rem;padding:0;margin:0 .9375rem;-webkit-transition:all .3s ease;transition:all .3s ease}}.vn-wrapper .vn-links .vn-actions .vn-loggedin{background:none;border:0;color:#3557ff;font-weight:600;height:3rem;padding:0 1.5rem;text-decoration:none}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions .vn-loggedin:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-size:0;padding:0;margin:0 1.25rem}.vn-wrapper .vn-links .vn-actions .vn-loggedin:not(.lite):before{background:url(//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/img/person.59072d56.svg) 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data-artid="091e9c5e815cd205" style=""><script type="application/ld+json"></script><script type="application/ld+json">{"@context":"https://schema.org/","@type":"MedicalWebPage","mainEntityOfPage":"https://www.webmd.com/a-to-z-guides/what-are-lymph-nodes","lastReviewed":"03/26/2024 08:01:05","reviewedBy":{"@type":"Person","name":"Jabeen Begum, MD"},"about":"Health Topics A-Z","datePublished":"03/14/2017 20:00:00","headline":"Lymph Nodes","author":{"@type":"Person","name":"Lori M. King, PhD"},"dateModified":"03/26/2024 08:01:05","primaryImageOfPage":{"@type":"ImageObject","name":"1800ss_thinkstock_rf_lymphatic_system_illustration.jpg","description":"slideshow_blood_cancers.xml, Lymph system anatomy,","license":"iStock/Getty Images","url":"https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/articles/health_tools/guide_to_blood_cancers_slideshow/1800ss_thinkstock_rf_lymphatic_system_illustration.jpg","thumbnailUrl":"https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/articles/health_tools/guide_to_blood_cancers_slideshow/1800ss_thinkstock_rf_lymphatic_system_illustration.jpg"},"publisher":{"@type":"Organization","name":"WebMD","logo":{"@type":"ImageObject","url":"https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/logos/webmd/web/webmd_logo_53x12.gif"}}}</script><div class="inner-article-container"><!--[--><!----><!----><header><!----><!----><h1>Lymph Nodes</h1><!----><!----><!----></header><div class="med-wrap"><div><div class="asset-med-rev"><div class="reviewer-info" data-chronicle="091e9c5e81e48710" data-e2e="asset-medical-review" data-metrics-module="rvdby-lnk"><span class="reviewer-photo-cont"><figure><img src="https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/articles/biographies/begum_jabeen_382x382.jpg?resize=51px:51px&output-quality=75" class="reviewer-photo"></figure></span><span class="reviewer-txt seperatorLine">Medically Reviewed by <a class="person" href="https://www.webmd.com/bio/jabeen-begum" data-metrics-link="0">Jabeen Begum, MD</a><!----><span class="no-link"></span><span class="revDate"> on March 26, 2024</span></span></div><div class="byline"><span><span class="authors" data-metrics-module="wrtnby-lnk">Written by <!--[--><!--[--><a href="https://www.webmd.com/bio/lori-m-king" class="person" data-metrics-link="0">Lori M. King, PhD</a><!----><!----><!--]--><!--]--><!----><!--[--><!--]--></span></span></div></div></div></div><aside class="oncology-article-nav" data-metrics-module="cwnav-art"><ul class="nav-items desktop"><!--[--><li><a href="#091e9c5e815cd205-1-1">What Are Lymph Nodes?</a><!----></li><li><a href="#091e9c5e815cd205-1-2">Lymph Nodes Function</a><!----></li><li><a href="#091e9c5e815cd205-2-6">Lymph Nodes Location</a><!----></li><li><a href="#091e9c5e815cd205-3-8">Swollen Lymph Nodes</a><div class="item-button"><a href="#"></a></div></li><li><a href="#091e9c5e815cd205-4-12">Takeaways</a><!----></li><!--]--><li class="item-button"><!----></li></ul></aside><!--]--><div class="reading-wrapper"><div class="readtime"><span>6 min read</span></div><!----><div id="audio-placeholder-091e9c5e815cd205"></div></div><!----><!----><!----><div class="article__body" data-metrics-module="embd-lnk"><div class="article-page active-page" data-page="1"><section><h2 class="jumplink-headers" id="091e9c5e815cd205-1-1">What Are Lymph Nodes?</h2><p>Lymph nodes are small (about 1-2 centimeters around or the size of a couple of AAA batteries side by side) oval or kidney-shaped structures that are a part of your immune system. They're part of your lymphatic system, which, along with your spleen, tonsils, and adenoids, help you fight off illness and infections. They also filter germs, cancer cells, and wastes out of your lymphatic fluid. </p><div id="art-091e9c5e815cd205-em-image-1" class="em-mod-image" ref="art-091e9c5e815cd205-em-image-1"> <aside data-e2e="ia-image" align="middle" class="ia-module-container ia-image landscape " data-metric-module="ia-img-soc"> <figure> <div class="main"> <img src="https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/articles/health_tools/guide_to_blood_cancers_slideshow/1800ss_thinkstock_rf_lymphatic_system_illustration.jpg" alt="lymphatic system illustration"/> </div> <figcaption> <p class="module_description" > You have between 600 and 800 lymph nodes spread throughout your body. Lymph nodes are a key part of your immune system. (Photo Credit: iStock/Getty Images) </p> </figcaption> </figure> </aside> </div><p>You might be able to feel some of your lymph nodes as bumps in your neck, armpits, or groin, but usually only if you have an infection you're fighting off. Usually, you don't feel them or even know they are there.</p><p><strong>How many lymph nodes are in the human body?</strong></p><p>The number of lymph nodes varies from person to person. Adults generally have about 600-800 lymph nodes. Most are spread out, but some are in groups in a few major places, like your neck, armpits, chest, belly, and groin.</p></section><section><h2 class="jumplink-headers" id="091e9c5e815cd205-1-2">Lymph Nodes Function</h2><p>Your lymph system is a key part of your immune system. It's made up of your lymph vessels and lymph nodes. Your lymph vessels connect all your lymph nodes and draw up a clear fluid called lymph from around your cells. Your lymph fluid carries waste (like what's left of a cell after it dies) that has been removed from your cells and trapped bacteria and viruses to your lymph nodes before it flows back into your bloodstream.</p></section><section> <p>The main function of your lymph nodes is to filter these foreign materials out of your lymph fluid. Lymph fluid would build up and cause swelling in your body if it wasn't filtered and drained. Lymph nodes also contain immune cells (white blood cells) that help fight infections and invaders by attacking and killing them. </p><p>Bacteria and viruses have proteins on their surface called antigens, which your immune system uses to recognize them as foreign invaders so they know to kill them. By filtering germs out of your lymph fluid, your lymph nodes concentrate them into a space (kind of like immune system school) where your white blood cells can learn about the bacteria and viruses you have come into contact with.</p></section></div><div class="article-page " data-page="2"><section> <p>The white blood cells that are in your lymph nodes include:</p><ul><li><a class="" href="https://www.webmd.com/a-to-z-guides/what-are-lymphocytes" id="95b23ee8-5b92-4f8e-8d92-20a4a15cb28e;medical_reference">Lymphocytes</a>.</li><li>Macrophages (pronounced <strong>ma</strong>-kroh-fayjes), which surround and kill germs, recycle your dead cells, and act as helpers to your other immune system cells.</li><li>Dendritic (pronounced den-<strong>drih</strong>-tik) cells, which take the antigens from dead germs and show them to your lymphocytes so they learn to recognize them.</li></ul></section><section><pagebreak /> <p>The main white blood cells in your lymph nodes are lymphocytes, which come in two types:</p><p><strong>B-lymphocytes (B-cells)</strong></p><p>B-cells have proteins on their surface that attach to antigens on the surface of the germ. Then they make specific antibodies to those antigens. Antibodies are protein tags that they attach to germs to let other white blood cells know they need to be killed off.</p><p><strong>T-lymphocytes (T-cells)</strong></p><p>T-cells have a couple of jobs. Some are called cytotoxic (killer) T cells. These recognize and attach to antigens on the germs and kill them. Other T-cells called helper and suppressor T-cells make proteins (like antibodies) that help other immune system cells do their job or they tell your body to make other kinds of immune cells to help fight the infection.</p></section><section><h2 class="jumplink-headers" id="091e9c5e815cd205-2-6">Lymph Nodes Location</h2><p>You have lymph nodes spread throughout your body, except in your brain and spinal cord. Some are just under your skin (superficial lymph nodes) in your neck, armpits, and groin and others are deep in your chest and belly. Each node filters the fluid from the vessels that lead into it.</p></section><section> <p>Your superficial lymph nodes drain the lymph from your head, scalp, face, arms, and legs and are located in your: </p><ul><li>Neck (cervical)</li><li>Armpits (axillary)</li><li>Groin (inguinal)</li></ul><p>Your deep lymph nodes are in your belly and chest and they drain the lymph from around your lungs and your <a class="" href="https://www.webmd.com/digestive-disorders/your-digestive-system" id="ceefb7cd-8b5c-4b26-aba0-0832645ce602;medical_reference">digestive organs</a>. These deep lymph nodes are also called:</p><ul><li>Mesenteric. These are lymph nodes in your mesentery, the membrane that connects your bowel to the tissue wall around your belly.</li><li>Retroperitoneal. These are lymph nodes around your kidneys and the major blood vessels that connect your lower body to your heart.</li><li>Mediastinal. These are lymph nodes around your trachea (windpipe), esophagus, heart, lungs, and the large blood vessels that lead to your heart. Some of these are supraclavicular, which means they are above your collarbones. These overlap with some of the superficial cervical lymph nodes.</li></ul></section></div><div class="article-page " data-page="3"><section><h2 class="jumplink-headers" id="091e9c5e815cd205-3-8">Swollen Lymph Nodes</h2><p>Your lymph nodes usually swell because your body is fighting off an infection. It's a sign that more lymphocytes are in action than usual, trying to kill off germs.</p></section><section><pagebreak /> <p>You may notice swelling most often in the nodes in your neck and under your chin. When you've got a cold or the flu and go see your doctor, they often feel around your neck and under your jawbone to check if those nodes are swollen or tender. Infections in your upper respiratory system often cause the lymph nodes in your neck to swell. </p><p>Sometimes medicines like phenytoin (taken for seizures), or drugs that prevent malaria can cause <a class="" href="https://www.webmd.com/a-to-z-guides/swollen-glands" id="63390ff9-2b45-4bad-bbbb-d50becf6939c;medical_reference">swollen lymph nodes</a>, too.</p><p><strong>What does a swollen lymph node feel like?</strong></p><p>Swollen lymph nodes are generally soft, or spongy, and they're bigger than normal (which is about as big around as a couple of peas or a bean). They may feel like they slip or move around under your skin. They may also feel tender or painful when you press on them or move that area. For instance, a swollen lymph node under your jaw might hurt when you chew food.</p><p><strong>How to check for swollen lymph nodes</strong></p></section><section><pagebreak /> <p>To check for swollen lymph nodes use your fingertips in a gentle, circular motion to feel for lumps and tender areas under your skin on both sides of your body. Check your neck, in front of and behind your ears, above your collarbones, all around your armpits, and around your groin.</p><p><strong>Swollen lymph nodes and infections</strong></p><p>Any infection can make your lymph nodes swell, including:</p><ul><li>Viral infections, such as rhinovirus (colds), the influenza virus (the flu), sexually transmitted infections (herpes and HIV), or COVID-19</li><li>Bacterial infections, such as an ear infection (usually caused by <i>Streptococcus pneumoniae</i> or <i>Haemophilus influenzae</i>), <a href="https://www.webmd.com/lung/understanding-tuberculosis-basics" data-crosslink-type="article">tuberculosis</a>, or an abscessed tooth</li></ul><p>Usually, your swollen lymph nodes are close to where your infection is. So, if you have a viral, upper respiratory infection, you'll get swollen lymph nodes in your neck. Or, if you get herpes, you may have swollen inguinal lymph nodes in your groin. Sometimes, people have swollen lymph nodes all over their body. In that case, it may be because you have an autoimmune condition, such as rheumatoid arthritis, or a generalized infection, like mononucleosis.</p></section><section><pagebreak /> <p><strong>Swollen lymph nodes and vaccines</strong></p><p>Rarely, a vaccine can cause swollen lymph nodes on the same side as you got the shot.</p><p><strong>Swollen lymph nodes and cancer</strong></p><p>If your lymph nodes feel hard, don't move around under your skin, and they are getting big very fast, it can be a sign of cancer. If this is the case, go see your doctor to get checked out. </p></section></div><div class="article-page " data-page="4"><section><h2 class="jumplink-headers" id="091e9c5e815cd205-4-12">Takeaways</h2><p><span>Your lymph nodes are an important part of your </span><a class="" href="https://www.webmd.com/cold-and-flu/10-immune-system-busters-boosters" id="2c537c2d-8bf8-4733-8e17-a7a3dd318d65;medical_reference">immune system</a><span>. They filter materials out of your lymph fluid to help keep you healthy. Talk to your doctor if you notice swollen or tender lymph nodes because this could be a sign of an illness or an infection.</span></p></section></div></div><div class="related-articles" data-metrics-module="cwnav-art" data-metrics-sel="li"><!----><!----></div><footer><div class="pub-info-and-share-bar"><div class="article__publication-sources"><!--[--><!----><section class="asset-footer"><div class="asset-footer-top"><div class="asset-footer-buttons"><button class="sources-btn">Sources</button><button class="update-history-btn">Update History</button><!----></div><div class="asset-footer-top-share"><div class="module module-social-share-footer" data-e2e="social-sharebar"><div class="socialshare-container" data-metrics-module="fm-shr"><div class="share-footer-container"><div class="share-text">Share</div><div class="icon-sb-footer-svg icon-sb-footer-share"><svg class="icon-sb-footer-svg" width="18" height="20" viewbox="0 0 18 20" fill="none" xmlns="https://www.w3.org/2000/svg"><path 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7.2875C17.5208 7.09583 17.2833 7 17 7H3C2.71667 7 2.47917 7.09583 2.2875 7.2875C2.09583 7.47917 2 7.71667 2 8V12H4V10H16V12H18Z" fill="#3557FF" data-v-00aa1eb2></path></svg></div></div><!----></div><div class="save-container"><div class="auth-overlay-popup-holder" data-v-28242611><!----><div class="bookmark-holder drug-generic-name" data-metrics-module="bkmk" data-v-28242611><!----></div><!----></div></div></div></div><div class="asset-footer-content"><div class="sources-section" style="display:none;"><div class="sources-wrapper" data-metrics-module="src"><p>SOURCES:</p><p>Bujoreanu, I. <i>Anatomy, Lymph Nodes</i>, StatPearls Publishing, 2024.</p><p>Merck Manual: "Professional Version: Overview of the Lymphatic System."</p><p>American Cancer Society: "Lymph Nodes and Cancer," “What is Hodgkin disease?”</p><p>Cleveland Clinic: "Lymph Nodes."</p><p>National Cancer Institute: "Lymph Nodes," "Dictionary of Cancer Terms: macrophage," "Dictionary of Cancer Terms: dendritic cell."</p><p>Canadian Cancer Society: "Retroperitoneal lymph node dissection (RPLND)." </p><p>Mayo Clinic: “Parts of the immune system,” “Swollen lymph nodes,” "Mesenteric lymphadenitis."</p><p> Burlew, J. <i>Anatomy, Thorax, Mediastinal Lymph Nodes</i>, StatPearls Publishing, 2024.</p><p>University of Rochester Medical Center: “Why the Healthcare Provider Examines the Neck and Throat.”</p><p>American Academy of Pediatrics: “Swollen Glands.”</p></div></div><!----><!----></div><div class="asset-footer-bottom"><!----><a href="https://www.webmd.com/about-webmd-policies/about-privacy-policy" class="asset-footer-policy"> View privacy policy, copyright and trust info </a></div><div class="asset-footer-bottom-share"><div class="module module-social-share-footer" data-e2e="social-sharebar"><div class="socialshare-container" data-metrics-module="fm-shr"><div class="share-footer-container"><div class="share-text">Share</div><div class="icon-sb-footer-svg icon-sb-footer-share"><svg 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Her passion is empowering people to take charge of their health care.\u003C\u002Fspan\u003E\u003C\u002Fp\u003E\u003Cp\u003E\u003Cspan lang=\"EN\"\u003EKing is a proud member of the American Medical Writers Association and admits to being a bit of a grammar nerd.\u003C\u002Fspan\u003E\u003C\u002Fp\u003E"},"person_photo":{"directive":"imageurl","chronic_id":"dce1b8b7-e054-4d0a-ad0d-543880096197","path":"\u002Fwebmd\u002Fconsumer_assets\u002Fsite_images\u002Farticles\u002Fbiographies\u002Flori_king_382x382.jpg","object_type":"wbmd_cons_img"},"related_links_header":"","related_links_text":{"#cdata-section":""}}},"link_friendlyurl":"https:\u002F\u002Fwww.webmd.com\u002Fbio\u002Flori-m-king"},"wbmd_person_suffix_group":{"wbmd_person_suffix":{"object_type":"wbmd_lookup","wbmd_lookup_type":"person_suffix","wbmd_storage_val":"61","wbmd_disp_nm":"PhD"}}}},"wbmd_bus_ref":{"wbmd_disp_nm":"Medical Reference"},"wbmd_cpyrt":{"wbmd_copyright":{"wbmd_copyright_statement":"© WebMD, LLC. All rights reserved."}},"wbmd_prim_med_revr":{"aspen_id":"968694ca-32e3-4df7-bf48-c2b56094082c","wbmd_first_nm":"Jabeen","wbmd_middle_name":"","wbmd_lst_nm":"Begum","wbmd_person_prof_ttl":"","wbmd_bio_obj_id":{"directive":"friendlyurl","object_type":"wbmd_cons_article","chronic_id":"091e9c5e821c3a4c","legacy_id":"091e9c5e821c3a4c","link_friendlyurl":"https:\u002F\u002Fwww.webmd.com\u002Fbio\u002Fjabeen-begum","content_section":{"cons_bio":{"title":"Jabeen Begum, MD","bio_text":{"#cdata-section":"\u003Cp\u003EJabeen Begum, MD, obtained her bachelor’s degree in medicine and surgery (MBBS) from Deccan College of Medical Science, Hyderabad, India, at the Dr. NTR University of Health Science. She obtained her MD specializing in microbiology at Gandhi Medical College. 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They're part of your lymphatic system, which, along with your spleen, tonsils, and adenoids, help you fight off illness and infections. They also filter germs, cancer cells, and wastes out of your lymphatic fluid. \u003C\u002Fp\u003E\u003Cembeded_module class=\"wbmdembededmodule cke_widget_inline\" align=\"middle\" suppress_from_site=\"false\" suppress_from_fed=\"false\" suppress_share=\"false\" thumbnail=\"\u002Fwebmd\u002Fconsumer_assets\u002Fsite_images\u002Farticles\u002Fhealth_tools\u002Fguide_to_blood_cancers_slideshow\u002F1800ss_thinkstock_rf_lymphatic_system_illustration.jpg\" _chronic_id=\"71844c27-95a4-471e-aba0-737acc9387d0\" asset_title=\"\" asset_description=\"You have between 600 and 800 lymph nodes spread throughout your body. Lymph nodes are a key part of your immune system. (Photo Credit: iStock\u002FGetty Images)\" module_title=\"\" module_description=\"\" link_out_url=\"\" link_out_position=\"\" type=\"image\" height=\"1200\" width=\"1800\" alt=\"lymphatic system illustration\" aspen_id=\"71844c27-95a4-471e-aba0-737acc9387d0\"\u003E\u003C\u002Fembeded_module\u003E\u003Cp\u003EYou might be able to feel some of your lymph nodes as bumps in your neck, armpits, or groin, but usually only if you have an infection you're fighting off. Usually, you don't feel them or even know they are there.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EHow many lymph nodes are in the human body?\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EThe number of lymph nodes varies from person to person. Adults generally have about 600-800 lymph nodes. Most are spread out, but some are in groups in a few major places, like your neck, armpits, chest, belly, and groin.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003ELymph Nodes Function\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EYour lymph system is a key part of your immune system. It's made up of your lymph vessels and lymph nodes. Your lymph vessels connect all your lymph nodes and draw up a clear fluid called lymph from around your cells. Your lymph fluid carries waste (like what's left of a cell after it dies) that has been removed from your cells and trapped bacteria and viruses to your lymph nodes before it flows back into your bloodstream.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"2\" \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ELymph Nodes Function continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EThe main function of your lymph nodes is to filter these foreign materials out of your lymph fluid. Lymph fluid would build up and cause swelling in your body if it wasn't filtered and drained. Lymph nodes also contain immune cells (white blood cells) that help fight infections and invaders by attacking and killing them. \u003C\u002Fp\u003E\u003Cp\u003EBacteria and viruses have proteins on their surface called antigens, which your immune system uses to recognize them as foreign invaders so they know to kill them. By filtering germs out of your lymph fluid, your lymph nodes concentrate them into a space (kind of like immune system school) where your white blood cells can learn about the bacteria and viruses you have come into contact with.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"desktop\" order=\"2\" \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ELymph Nodes Function continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EThe white blood cells that are in your lymph nodes include:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003E\u003Ca class=\"\" link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fa-to-z-guides\u002Fwhat-are-lymphocytes\" id=\"95b23ee8-5b92-4f8e-8d92-20a4a15cb28e;medical_reference\"\u003ELymphocytes\u003C\u002Fa\u003E.\u003C\u002Fli\u003E\u003Cli\u003EMacrophages (pronounced \u003Cstrong\u003Ema\u003C\u002Fstrong\u003E-kroh-fayjes), which surround and kill germs, recycle your dead cells, and act as helpers to your other immune system cells.\u003C\u002Fli\u003E\u003Cli\u003EDendritic (pronounced den-\u003Cstrong\u003Edrih\u003C\u002Fstrong\u003E-tik) cells, which take the antigens from dead germs and show them to your lymphocytes so they learn to recognize them.\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"3\" \u002F\u003E\u003Cpagebreak \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ELymph Nodes Function continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EThe main white blood cells in your lymph nodes are lymphocytes, which come in two types:\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EB-lymphocytes (B-cells)\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EB-cells have proteins on their surface that attach to antigens on the surface of the germ. Then they make specific antibodies to those antigens. Antibodies are protein tags that they attach to germs to let other white blood cells know they need to be killed off.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ET-lymphocytes (T-cells)\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ET-cells have a couple of jobs. Some are called cytotoxic (killer) T cells. These recognize and attach to antigens on the germs and kill them. Other T-cells called helper and suppressor T-cells make proteins (like antibodies) that help other immune system cells do their job or they tell your body to make other kinds of immune cells to help fight the infection.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003ELymph Nodes Location\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EYou have lymph nodes spread throughout your body, except in your brain and spinal cord. Some are just under your skin (superficial lymph nodes) in your neck, armpits, and groin and others are deep in your chest and belly. Each node filters the fluid from the vessels that lead into it.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"4\" \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ELymph Nodes Location continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EYour superficial lymph nodes drain the lymph from your head, scalp, face, arms, and legs and are located in your: \u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003ENeck (cervical)\u003C\u002Fli\u003E\u003Cli\u003EArmpits (axillary)\u003C\u002Fli\u003E\u003Cli\u003EGroin (inguinal)\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EYour deep lymph nodes are in your belly and chest and they drain the lymph from around your lungs and your \u003Ca class=\"\" link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fdigestive-disorders\u002Fyour-digestive-system\" id=\"ceefb7cd-8b5c-4b26-aba0-0832645ce602;medical_reference\"\u003Edigestive organs\u003C\u002Fa\u003E. These deep lymph nodes are also called:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003EMesenteric. These are lymph nodes in your mesentery, the membrane that connects your bowel to the tissue wall around your belly.\u003C\u002Fli\u003E\u003Cli\u003ERetroperitoneal. These are lymph nodes around your kidneys and the major blood vessels that connect your lower body to your heart.\u003C\u002Fli\u003E\u003Cli\u003EMediastinal. These are lymph nodes around your trachea (windpipe), esophagus, heart, lungs, and the large blood vessels that lead to your heart. Some of these are supraclavicular, which means they are above your collarbones. These overlap with some of the superficial cervical lymph nodes.\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"desktop\" order=\"3\" \u002F\u003E\u003Csection_header\u003ESwollen Lymph Nodes\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EYour lymph nodes usually swell because your body is fighting off an infection. It's a sign that more lymphocytes are in action than usual, trying to kill off germs.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"5\" \u002F\u003E\u003Cpagebreak \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ESwollen Lymph Nodes continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EYou may notice swelling most often in the nodes in your neck and under your chin. When you've got a cold or the flu and go see your doctor, they often feel around your neck and under your jawbone to check if those nodes are swollen or tender. Infections in your upper respiratory system often cause the lymph nodes in your neck to swell. \u003C\u002Fp\u003E\u003Cp\u003ESometimes medicines like phenytoin (taken for seizures), or drugs that prevent malaria can cause \u003Ca class=\"\" link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fa-to-z-guides\u002Fswollen-glands\" id=\"63390ff9-2b45-4bad-bbbb-d50becf6939c;medical_reference\"\u003Eswollen lymph nodes\u003C\u002Fa\u003E, too.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EWhat does a swollen lymph node feel like?\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ESwollen lymph nodes are generally soft, or spongy, and they're bigger than normal (which is about as big around as a couple of peas or a bean). They may feel like they slip or move around under your skin. They may also feel tender or painful when you press on them or move that area. For instance, a swollen lymph node under your jaw might hurt when you chew food.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EHow to check for swollen lymph nodes\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"6\" \u002F\u003E\u003Cpagebreak \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ESwollen Lymph Nodes continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003ETo check for swollen lymph nodes use your fingertips in a gentle, circular motion to feel for lumps and tender areas under your skin on both sides of your body. Check your neck, in front of and behind your ears, above your collarbones, all around your armpits, and around your groin.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ESwollen lymph nodes and infections\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EAny infection can make your lymph nodes swell, including:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003EViral infections, such as rhinovirus (colds), the influenza virus (the flu), sexually transmitted infections (herpes and HIV), or COVID-19\u003C\u002Fli\u003E\u003Cli\u003EBacterial infections, such as an ear infection (usually caused by \u003Ci\u003EStreptococcus pneumoniae\u003C\u002Fi\u003E or \u003Ci\u003EHaemophilus influenzae\u003C\u002Fi\u003E), \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Flung\u002Funderstanding-tuberculosis-basics\" crosslinktype=\"Article\"\u003Etuberculosis\u003C\u002Fa\u003E, or an abscessed tooth\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EUsually, your swollen lymph nodes are close to where your infection is. So, if you have a viral, upper respiratory infection, you'll get swollen lymph nodes in your neck. Or, if you get herpes, you may have swollen inguinal lymph nodes in your groin. Sometimes, people have swollen lymph nodes all over their body. In that case, it may be because you have an autoimmune condition, such as rheumatoid arthritis, or a generalized infection, like mononucleosis.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"7\" \u002F\u003E\u003Cpagebreak \u002F\u003E\u003Csection_header is_continued=\"true\"\u003ESwollen Lymph Nodes continued...\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003E\u003Cstrong\u003ESwollen lymph nodes and vaccines\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ERarely, a vaccine can cause swollen lymph nodes on the same side as you got the shot.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ESwollen lymph nodes and cancer\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EIf your lymph nodes feel hard, don't move around under your skin, and they are getting big very fast, it can be a sign of cancer. If this is the case, go see your doctor to get checked out. \u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"desktop\" order=\"4\" \u002F\u003E\u003Csection_header\u003ETakeaways\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003E\u003Cspan\u003EYour lymph nodes are an important part of your \u003C\u002Fspan\u003E\u003Ca class=\"\" link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fcold-and-flu\u002F10-immune-system-busters-boosters\" id=\"2c537c2d-8bf8-4733-8e17-a7a3dd318d65;medical_reference\"\u003Eimmune system\u003C\u002Fa\u003E\u003Cspan\u003E. They filter materials out of your lymph fluid to help keep you healthy. Talk to your doctor if you notice swollen or tender lymph nodes because this could be a sign of an illness or an infection.\u003C\u002Fspan\u003E\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E"},"citations":{"#cdata-section":"\u003Cp\u003ESOURCES:\u003C\u002Fp\u003E\u003Cp\u003EBujoreanu, I. \u003Ci\u003EAnatomy, Lymph Nodes\u003C\u002Fi\u003E, StatPearls Publishing, 2024.\u003C\u002Fp\u003E\u003Cp\u003EMerck Manual: \"Professional Version: Overview of the Lymphatic System.\"\u003C\u002Fp\u003E\u003Cp\u003EAmerican Cancer Society: \"Lymph Nodes and Cancer,\" “What is Hodgkin disease?”\u003C\u002Fp\u003E\u003Cp\u003ECleveland Clinic: \"Lymph Nodes.\"\u003C\u002Fp\u003E\u003Cp\u003ENational Cancer Institute: \"Lymph Nodes,\" \"Dictionary of Cancer Terms: macrophage,\" \"Dictionary of Cancer Terms: dendritic cell.\"\u003C\u002Fp\u003E\u003Cp\u003ECanadian Cancer Society: \"Retroperitoneal lymph node dissection (RPLND).\" \u003C\u002Fp\u003E\u003Cp\u003EMayo Clinic: “Parts of the immune system,” “Swollen lymph nodes,” \"Mesenteric lymphadenitis.\"\u003C\u002Fp\u003E\u003Cp\u003E Burlew, J. \u003Ci\u003EAnatomy, Thorax, Mediastinal Lymph Nodes\u003C\u002Fi\u003E, StatPearls Publishing, 2024.\u003C\u002Fp\u003E\u003Cp\u003EUniversity of Rochester Medical Center: “Why the Healthcare Provider Examines the Neck and Throat.”\u003C\u002Fp\u003E\u003Cp\u003EAmerican Academy of Pediatrics: “Swollen Glands.”\u003C\u002Fp\u003E"},"related_links_header":"","related_links_text":{"#cdata-section":""}}}}}},"staticPublicPath":"\u002Fstatic_vue\u002F091e9c5e81e4870f\u002Fclient\u002F","isInteractivePage":false},"flow":{"flowInfo":false},"quiz":{"rmq":{}}}</script> <script>window.__INITIAL_STATE__.route.hash = window.location.hash; window.__INITIAL_STATE__.route.fullPath = window.location.pathname; window.__INITIAL_STATE__.route.path = window.location.pathname; if(window.location.search !== ""){ var search = window.location.search.substring(1); window.__INITIAL_STATE__.route.query=JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g,'":"') + '"}', function(key, value) { return key===""?value:decodeURIComponent(value) }) } else {window.__INITIAL_STATE__.route.query={};}</script><script>try{var _comscore=_comscore||[];_comscore.push({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}}),function(){var e=document.createElement('script'),o=document.getElementsByTagName('script')[0];e.async=!0,e.src='https://sb.scorecardresearch.com/cs/6035829/beacon.js',o.parentNode.insertBefore(e,o),window.__INITIAL_STATE__?window.document.addEventListener('before_pv',function(){window.document.addEventListener('onAdobeOmniBeforePv',function(){window.biConsumerIsReady&&self.COMSCORE&&COMSCORE.beacon({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}})})},{once:!0}):window.document.addEventListener('onAdobeOmniBeforePv',function(){self.COMSCORE&&COMSCORE.beacon({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}})})}()}catch(e){}</script><noscript><img src='https://sb.scorecardresearch.com/p?c1=2&c2=6035829&cv=3.9.1&cj=1'></noscript><!--$$NGINX_TARGET$$--> <!--$$CLOUDFLARE_TARGET$$--><!-- webmd-ccm-Non-EU gdpr phase 2 --> <script id="cookieConsentScriptNonEU" async="async" src="https://img.lb.wbmdstatic.com/webmd_static_vue/file-explorer/webmd/consumer_assets/site_images/webmd-ccm/webmd-ccm-lite.min.js"></script><script type="text/javascript" async="async" importance="high" src="https://securepubads.g.doubleclick.net/tag/js/gpt.js" id="GPT_JS"></script><script>window.webmd.googleloaded = true; window.googleloaded = true; </script> <script>window.performance.mark('page-end');</script> <link rel="stylesheet" href="//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/css/non-critical-1732570847611.f64d91a6.css"> <link rel="stylesheet" href="//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/css/pagetype-oncology-1732570847611.b84c3554.css"> </body> </html>