The histological grading of primary epithelial neoplasms of the ureter.
D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010212:Papilloma / Q000473:pathology*; D012189:Retrospective Studies; D014516:Ureteral Neoplasms / Q000473:pathology*