title: Primary transitional cell carcinoma of the renal pelvis in a duplicated collecting system.
mesh_terms: D000328:Adult; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007682:Kidney Pelvis / Q000473:pathology*; D007684:Kidney Tubules / Q000002:abnormalities*; D007685:Kidney Tubules, Collecting / Q000002:abnormalities*; D008297:Male