Uretero-pelvic obstruction.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis / Q000601:surgery; D007223:Infant; D007674:Kidney Diseases / Q000175:diagnosis / Q000601:surgery; D007682:Kidney Pelvis / Q000601:surgery; D008297:Male; D011183:Postoperative Complications; D014517:Ureteral Obstruction / Q000175:diagnosis / Q000601:surgery*; D014552:Urinary Tract Infections / Q000209:etiology