title: [Pneumothorax developing subsequent to pulmonary emphysema--a gourd-shaped bulla].
authors.forename: Koji
authors.initials: K
authors.lastname: Chihara
mesh_terms: D006801:Humans; D011030:Pneumothorax / Q000209:etiology*; D011656:Pulmonary Emphysema / Q000150:complications*