title: Spontaneous pneumothorax.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011030:Pneumothorax / Q000175:diagnosis / Q000401:mortality / Q000601:surgery / Q000628:therapy*; D012008:Recurrence; D012907:Smoking; D013898:Thoracic Injuries / Q000150:complications