These lumps are lymph nodes or glands that are located all over the body, including behind the ears, and contain immune cells ...

Breast cancer that has spread to lymph nodes may be treated more aggressively than localized cancer, because it has a greater potential to travel to other parts of the body. You have thousands of ...

A rash accompanied by swollen lymph nodes usually stems from a viral infection, such as measles, chickenpox, or mononucleosis. A rash is an inflammatory response that causes changes to your skin ...

Intraoperative frozen biopsy and sentinel lymph nodes technique have not shown sufficient accuracy to avoid extended lymphadenectomy, due to the significant rates of skip lymphatic metastasis.

Lymphocytes are a type of white blood cell produced in bone marrow that play a crucial role in your immune system. There are several types—called T cells, B cells, and natural killer (NK) cells—that ...