A review of the value of radiation therapy for adenocarcinoma of the rectum and sigmoid.
D000230:Adenocarcinoma / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D012004:Rectal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D012811:Sigmoid Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D013997:Time Factors