title: Primary leiomyosarcoma of the lung presenting with a persistent pneumothorax.
mesh_terms: D000368:Aged; D006801:Humans; D007890:Leiomyosarcoma / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D008175:Lung Neoplasms / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D011030:Pneumothorax / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography