title: An operation for advanced achalasia.
mesh_terms: D002404:Catheterization; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008722:Methods; D009130:Muscle, Smooth / Q000601:surgery; D011706:Pyloric Antrum / Q000601:surgery; D011859:Radiography; D012008:Recurrence; D013270:Stomach / Q000601:surgery; D013536:Suture Techniques; D014630:Vagus Nerve