Lumbar lymph nodes refer to a group of small organs that are part of the immune system. Lymph nodes are generally circular, bean-like organs that are dispersed throughout the body. The lumbar lymph ...

The body has about 20 to 40 bean-shaped axillary lymph nodes located in the underarm area. These lymph nodes are responsible for draining lymph – a clear or white fluid made up of white blood cells – ...

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 ...