[Retrocaval ureter: report of 6 cases].
D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014513:Ureter / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery; D014515:Ureteral Diseases / Q000000981:diagnostic imaging