When the body fights an infection or injury, lymph nodes sometimes swell. Doctors call this a reactive lymph node. Treatment can depend on the cause. Lymph nodes house white blood cells.

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 ...

If the immune system recognizes something harmful in the lymph node, it will trigger an immune response in the form of ...

Metastatic castration-resistant prostate cancer causes urinary symptoms, fatigue, pain, and more. This article covers the ...

Both invasive and metastatic breast cancer have spread beyond the exact point where they started. Invasive breast cancers may have spread within the breast only, or to nearby lymph nodes or ...