Surgical treatment of achalasia.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000771:Anesthesia, Intravenous; D002648:Child; D002675:Child, Preschool; D004106:Dilatation; D004931:Esophageal Achalasia / Q000601:surgery*; D006801:Humans; D007223:Infant; D008722:Methods; D008875:Middle Aged; D011182:Postoperative Care; D011300:Preoperative Care