[Future of esophageal surgery (author's transl)].
D000328:Adult; D000368:Aged; D004931:Esophageal Achalasia / Q000601:surgery*; D004938:Esophageal Neoplasms / Q000601:surgery*; D004932:Esophageal and Gastric Varices / Q000601:surgery*; D006801:Humans; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications