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 ...

If your doctor says you should get a lymph node biopsy, it's because they need to check for signs of disease, such as cancer. They take out a small piece of one of your lymph nodes and send it to a ...