Transitional cell carcinoma

Definition of transitional cell cancer
National Cancer Institute

transitional cell cancer

(tran-ZIH-shuh-nul sel KAN-ser)
Cancer that begins in cells called urothelial cells that line the urethra, bladder, ureters, renal pelvis, and some other organs. Urothelial cells are also called transitional cells. These cells can change shape and stretch without breaking apart. Also called urothelial cancer.

Source: NCI Dictionary of Cancer Terms