Squamous carcinoma of the esophagus.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000532:radiotherapy / Q000601:surgery*; D004938:Esophageal Neoplasms / Q000401:mortality / Q000532:radiotherapy / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D011379:Prognosis