[Prognosis and preoperative irradiation in the surgery of esophageal cancer].
D000328:Adult; D000368:Aged; D004938:Esophageal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D011379:Prognosis