title: [Megaesophagus of long standing].
mesh_terms: D004931:Esophageal Achalasia / Q000150:complications / Q000601:surgery*; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009461:Neurologic Manifestations
vernacular_title: Mega-oesophage au long cours