title: Acute upper airway obstruction in a patient with achalasia.
abstract: A rare complication of achalasia is described that presented as a neck mass and an acute upper airway obstruction.
mesh_terms: D000368:Aged; D000402:Airway Obstruction / Q000209:etiology*; D004630:Emergencies; D004931:Esophageal Achalasia / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011859:Radiography