A lymph node biopsy is a test that checks for disease in your lymph nodes. Lymph nodes are small, oval-shaped organs located in different parts of your body. They’re found close to internal organs ...

Lymph nodes are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. During an infection, they accumulate bacteria or dead or diseased cells and may swell.

When the body fights an infection or injury, lymph nodes sometimes swell. Doctors call this a reactive lymph node. Treatment can depend on the cause. Lymph nodes house white blood cells. These cells ...

Lymph node metastasis occurs in "metastatic" lymph nodes, lymph nodes that have been infected by cancer from elsewhere in the body. A part of the immune system, lymph nodes are tiny ovals placed ...

Swollen lymph nodes, or swollen glands, in the neck may indicate an infection. They can also occur due to a medical condition, such as an immune disorder or, less commonly, cancer. Treatment can ...