title: Simultaneous occurrence of renal adenocarcinoma and transitional cell carcinoma of the renal pelvis.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D002295:Carcinoma, Transitional Cell / Q000473:pathology; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology; D007682:Kidney Pelvis / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology