title: Retrocaval ureter presenting as an acute abdomen (a case report).
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D014513:Ureter / Q000002:abnormalities*; D014517:Ureteral Obstruction / Q000209:etiology*; D014682:Vena Cava, Inferior