title: Primary pulmonary histiocytosis X in two patients with Hodgkin's disease.
mesh_terms: D000328:Adult; D005260:Female; D006644:Histiocytes / Q000648:ultrastructure; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications / Q000175:diagnosis*; D006689:Hodgkin Disease / Q000150:complications* / Q000175:diagnosis / Q000532:radiotherapy; D006801:Humans; D008171:Lung Diseases / Q000150:complications / Q000175:diagnosis*; D008297:Male; D008854:Microscopy, Electron; D011650:Pulmonary Alveoli / Q000648:ultrastructure