Obstructive sleep apnea syndrome associated with nasopharyngeal carcinoma.
D000328:Adult; D000402:Airway Obstruction / Q000209:etiology*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000150:complications*; D012891:Sleep Apnea Syndromes / Q000209:etiology*