The lymphatic system is a major part of the immune system. It’s made up of various lymph nodes and vessels. The human body has hundreds of lymph nodes throughout different locations in the body. The ...

The preauricular lymph nodes sit just in front of the ears. These tiny nodes play a vital role in protecting the body against infections and disease. In this article, we provide information on the ...

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 ...

The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...

N1 Single lymph node metastasis, 2 cm or less in greatest dimension N1 Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac or presacral lymph node) N2 ...

Lymph nodes are small organs, typically ranging from the size of a pea to a little bean, which are located throughout the body. Lymph nodes are one of the components of the lymphatic system. There are ...

Swollen lymph nodes may result from an infection or illness. If symptoms last for a long time or occur with certain other symptoms, you may need medical care. Treatment depends on the cause of the ...

Women with breast cancer who have breast cancer cells in one or more lymph nodes have poorer outcomes than women without node involvement. Although many oncologists believe that this phenomenon is ...