Inverted Y reduplication of the ureter.
D000328:Adult; D005260:Female; D006801:Humans; D011704:Pyelonephritis / Q000000981:diagnostic imaging / Q000209:etiology; D014513:Ureter / Q000002:abnormalities*; D014518:Ureterocele / Q000000981:diagnostic imaging / Q000209:etiology; D014567:Urography