Dr. Janet Kukreja, Sanders' doctor at the University of Colorado Cancer Center, said Sanders had his bladder removed after a malignant tumor was found and that he had been "cured" from the cancer.

Melanoma is responsible for most skin cancer deaths. Find out about its causes, symptoms, and treatment options.

Bone Tumor: Problems like persistent pain, swelling or lump in the bone can sometimes be a sign of bone tumor. Timely identification and proper treatment can make it easier to deal with this ...