Retro-iliac artery ureter.
D000015:Abnormalities, Multiple; D000293:Adolescent; D005260:Female; D006801:Humans; D007083:Iliac Artery / Q000002:abnormalities*; D007084:Iliac Vein / Q000002:abnormalities; D014508:Urea / Q000097:blood; D014517:Ureteral Obstruction / Q000209:etiology* / Q000601:surgery
D014508:Urea