MONDO_0020654 (renal pelvis/ureter urothelial carcinoma) is a transitional cell carcinoma that arises from the renal pelvis and ureter. Also known as: TCC of renal pelvis and ureter, TCC of the renal pelvis and ureter, UTUC, renal pelvis and ureter TCC, renal pelvis and ureter transitional cell cancer, renal pelvis and ureter transitional cell carcinoma, renal pelvis and ureter urothelial carcinoma, transitional cell cancer of renal pelvis and ureter.