title: [Megaesophagus due to achalasia of esophagus].
mesh_terms: D003680:Deglutition Disorders / Q000209:etiology; D004931:Esophageal Achalasia / Q000150:complications / Q000175:diagnosis*; D004945:Esophagoscopy; D006801:Humans
vernacular_title: Il megaesofago da acalasia del cardias