Bladder Cancer: Causes, Symptoms and Treatment Of Urothelial Carcinoma

Bladder cancer is a disease that affects the bladder, an elastic organ that is responsible for storing urine that is released by the kidneys. It is the fifth most common type of cancer in the U.S. and when diagnosed in the early stages, it is highly treatable.
There are several types of bladder cancer, some being more common then others. The most common type of bladder cancer is urothelial carcinoma, accounting for about 90% of bladder cancer cases.

http://cancer.about.com/od/bladdercancer/a/bladder_ca.htm