[Conservative surgery for primary ureteral tumor: report of two cases].
D002295:Carcinoma, Transitional Cell / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010212:Papilloma / Q000473:pathology / Q000601:surgery*; D014516:Ureteral Neoplasms / Q000473:pathology / Q000601:surgery*