The dilated upper urinary tract.
D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D014463:Ultrasonography; D014515:Ureteral Diseases / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000150:complications / Q000000981:diagnostic imaging / Q000503:physiopathology; D014551:Urinary Tract / Q000473:pathology; D014552:Urinary Tract Infections / Q000150:complications / Q000000981:diagnostic imaging; D014567:Urography; D014570:Urologic Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D014718:Vesico-Ureteral Reflux / Q000150:complications / Q000000981:diagnostic imaging