[Periureteral venous ring].
D000293:Adolescent; D005260:Female; D006801:Humans; D011859:Radiography; D014517:Ureteral Obstruction / Q000209:etiology*; D014682:Vena Cava, Inferior / Q000002:abnormalities / Q000000981:diagnostic imaging / Q000196:embryology*
Anillo venoso periureteral.