title: Colorectal cancer. Radiotherapy.
mesh_terms: D000818:Animals; D002272:Carcinoembryonic Antigen / Q000097:blood; D003110:Colonic Neoplasms / Q000188:drug therapy / Q000532:radiotherapy*; D004307:Dose-Response Relationship, Radiation; D005472:Fluorouracil / Q000627:therapeutic use; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000097:blood; D010166:Palliative Care; D011182:Postoperative Care; D011300:Preoperative Care; D011379:Prognosis; D011879:Radiotherapy Dosage; D012004:Rectal Neoplasms / Q000097:blood / Q000188:drug therapy / Q000532:radiotherapy* / Q000601:surgery
chemical_list: D002272:Carcinoembryonic Antigen; D005472:Fluorouracil