title: [Preoperative radiotherapy and radical radiotherapy of esophageal cancer].
mesh_terms: D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000532:radiotherapy* / Q000601:surgery; D004938:Esophageal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care