[The surgical treatment of achalasia of the esophagus].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004931:Esophageal Achalasia / Q000401:mortality / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008722:Methods; D008875:Middle Aged