title: Progression of retroperitoneal fibrosis despite cessation of treatment with methysergide.
mesh_terms: D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D008297:Male; D008784:Methysergide / Q000009:adverse effects*; D008875:Middle Aged; D008881:Migraine Disorders / Q000188:drug therapy; D012078:Renal Artery Obstruction / Q000601:surgery; D012185:Retroperitoneal Fibrosis / Q000209:etiology* / Q000473:pathology
chemical_list: D008784:Methysergide