Medically reviewed by John Carew, MD Key Takeaways A neck lump might be a swollen lymph node caused by an infection.Unusual ...

The last time you visited your doctor for a sore throat, they may have felt for potential inflammation in your neck. That's because infections often cause swollen lymph nodes (medically known as ...

You have more than 300 lymph nodes in your head and neck. Cancer can either start in these lymph nodes or spread there from other body parts. Symptoms include swelling, fever, and night sweats. Share ...

Summary: Researchers demonstrated that the success of anti-CTLA-4 immunotherapy against brain tumors does not depend on local ...

Lymph nodes are small, bean-shaped structures that are part of the lymphatic system. The lymphatic system helps the body fight infection and filter harmful substances. Lymph nodes are present ...

The lymphatic system has long been considered mysterious. But the lymphatic system—and the lymph nodes within it—plays fascinating and important roles in health and disease, from fighting off ...

Removing lymph nodes during cancer surgery has saved countless lives in many tumour types. Yet recent research is challenging parts of this long-standing practice. Imagine your body’s immune defences ...

Please provide your email address to receive an email when new articles are posted on . Sparing lymph nodes until after immunotherapy treatment may result in improved antitumor immune response among ...

A 2026 study found semaglutide may improve lymphatic pumping. Here's what that reveals about how your lymph system really works.