Large-bowel cancer.
D003110:Colonic Neoplasms / Q000532:radiotherapy / Q000601:surgery*; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*; D011182:Postoperative Care; D011879:Radiotherapy Dosage; D012004:Rectal Neoplasms / Q000532:radiotherapy / Q000601:surgery*