Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

Swollen lymph nodes often indicate that the lymphatic system is actively fighting off an infection or illness by accumulating bacteria and dead cells. While swollen lymph nodes can result from ...

Swollen lymph nodes in the groin can result from viral, bacterial, or fungal infections, including some sexually transmitted infections (STIs). Infections in the feet and some cancers can also affect ...

Lymph node metastasis occurs in "metastatic" lymph nodes, lymph nodes that contain cancer cells that have spread from elsewhere in the body. A part of the immune system, lymph nodes are tiny ...

Kristie L. Kahl: In simple terms, can you explain what chronic lymphocytic is? Dr. Susan O’Brien: It’s a leukemia, which by definition means it's in the blood and in the bone marrow because inside ...

You’ve probably had swollen glands at some point in your life, such as when you’ve had a cold or other infection. Swollen glands are actually swollen lymph nodes, which are often reactive lymph nodes.

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) You might be able to feel some of your lymph ...