title: Extensive postoperative surgical emphysema with pneumomediastinum and pneumothorax.
mesh_terms: D002342:Carotid Artery, External / Q000601:surgery; D004322:Drainage / Q000009:adverse effects*; D006801:Humans; D008026:Ligation; D008478:Mediastinal Emphysema; D008722:Methods; D008875:Middle Aged; D010307:Parotid Neoplasms / Q000601:surgery*; D011030:Pneumothorax / Q000209:etiology*; D011183:Postoperative Complications