Lymph nodes are small, oval-shaped organs that contain immune cells to attack and kill foreign invaders, such as viruses. They’re an important part of the body’s immune system. Lymph nodes are also ...

Lymph node dissections, or lymphadenectomies, are surgical procedures that play an important role in cancer treatments. A healthcare professional will remove the lymph nodes and check a tissue sample ...

Schmorls nodes are herniations of intervertebral discs that push on the adjacent vertebrae. They are most often painless but can sometimes cause acute lower back pain. Schmorl’s nodes, or ...

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 ...