Mediastinal emphysema and pneumothorax.
D006801:Humans; D008478:Mediastinal Emphysema / Q000209:etiology*; D011030:Pneumothorax / Q000209:etiology*; D014132:Trachea / Q000601:surgery*
PNEUMOMEDIASTINUM/etiology and pathogenesis; PNEUMOTHORAX/etiology and pathogenesis; TRACHEA/surgery