title: Chronic recurrent pleural effusion in adult histiocytosis-X.
mesh_terms: D002908:Chronic Disease; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010994:Pleura / Q000473:pathology; D010996:Pleural Effusion / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D012008:Recurrence