Causes of surgical failures in the treatment of achalasia.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004931:Esophageal Achalasia / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications