title: Retroperitoneal fibrosis. Response to corticosteroid therapy.
mesh_terms: D000368:Aged; D003907:Dexamethasone / Q000627:therapeutic use*; D006801:Humans; D007084:Iliac Vein / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D011241:Prednisone / Q000627:therapeutic use*; D012185:Retroperitoneal Fibrosis / Q000000981:diagnostic imaging / Q000188:drug therapy* / Q000473:pathology; D014515:Ureteral Diseases / Q000000981:diagnostic imaging / Q000188:drug therapy*; D014567:Urography
chemical_list: D003907:Dexamethasone; D011241:Prednisone