Retrocaval ureter: 4 cases.
D000328:Adult; D000013:Congenital Abnormalities / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology / Q000601:surgery*; D007682:Kidney Pelvis / Q000601:surgery; D008297:Male; D008722:Methods; D009392:Nephrectomy; D014513:Ureter / Q000002:abnormalities* / Q000601:surgery; D001743:Urinary Bladder / Q000601:surgery; D014567:Urography; D014682:Vena Cava, Inferior / Q000601:surgery