Human immunodeficiency virus ... area of the body and spread to the lymph nodes through the lymph fluid or blood. Cancers of ...

They're located throughout the body in the armpits (called axillary lymph nodes), the groin, neck and chest. The nodes can become swollen and painful, usually when the body is fighting off infections.

Researchers have introduced an innovative surgical technique for treating bladder cancer that could revolutionize the field of urological oncology.