The role of irradiation in the conservative treatment of rectal cancer.
D000230:Adenocarcinoma / Q000175:diagnosis / Q000401:mortality / Q000532:radiotherapy*; D001918:Brachytherapy; D006801:Humans; D008207:Lymphatic Metastasis; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000532:radiotherapy*