Urothelial carcinoma, also known as transitional cell carcinoma, is a cancerous tumor of the bladder which can spread to other parts of the body. The urothelium comprises of the lining on the inside of the bladder, urethra, and ureters. It also consists of the renal pelvis. All those comprise of the urothelial cells, or transitional cells. Urothelial carcinoma is the most widespread bladder cancer. It comprises over 90 ... Read more