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    Cancer of the ureter


    Definition of Cancer of the ureter

    Each kidney has a large cavity called the renal pelvis, which fills with urine. Urine then drains from each kidney through a tube called the ureter, into the bladder, and out of the body through the urethra. Transitional cells (urothelial cells) line these organs. Cancer of the ureter (ureteral cancer) usually occurs in transitional cells, so it falls under the broader category of transitional cell cancer (urothelial cancer). Treatment for cancer of the ureter has a high success rate when detected early.