title: Acute stridor in achalasia of the esophagus (cardiospasm).
mesh_terms: D004106:Dilatation; D004931:Esophageal Achalasia / Q000150:complications* / Q000175:diagnosis / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging / Q000503:physiopathology; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D014132:Trachea / Q000503:physiopathology; D014135:Tracheal Stenosis