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 ...

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 ...

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 medical term for cancer that has spread is "metastasis." Knowing whether lung cancer is in lymph nodes, and which lymph nodes it has spread to, helps doctors assign the cancer a stage and ...

Medically reviewed by Doru Paul, MD Key Takeaways Swollen lymph nodes are often a sign that your body is fighting an infection.Autoimmune diseases can also cause lymph nodes to swell.Certain ...