[Megaesophagus caused by cardial dysphagia; its treatment by Heller's operation].
D003680:Deglutition Disorders; D004931:Esophageal Achalasia / Q000601:surgery*; D006801:Humans
CARDIOSPASM/surgery; DEGLUTITION DISORDERS
Megaesofago por cardiodisfagia; seu tratamento pela operação de Heller.