title: Perianeurysmal retroperitoneal fibrosis: two cases responding to steroids.
mesh_terms: D001014:Aortic Aneurysm / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011239:Prednisolone / Q000627:therapeutic use; D012185:Retroperitoneal Fibrosis / Q000150:complications / Q000188:drug therapy / Q000209:etiology*; D014517:Ureteral Obstruction / Q000188:drug therapy / Q000209:etiology*
chemical_list: D011239:Prednisolone