title: Prognosis of chronic sarcoidosis.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D011379:Prognosis; D012507:Sarcoidosis / Q000175:diagnosis / Q000473:pathology; D013896:Thoracic Diseases / Q000175:diagnosis / Q000473:pathology