title: Upper-airway obstruction and achalasia of the esophagus.
mesh_terms: D000368:Aged; D000402:Airway Obstruction / Q000209:etiology* / Q000628:therapy; D004108:Dilatation, Pathologic; D004931:Esophageal Achalasia / Q000150:complications* / Q000628:therapy; D004947:Esophagus / Q000473:pathology; D005260:Female; D006801:Humans; D011015:Pneumonia, Aspiration / Q000150:complications