title: A surgeon looks at radiotherapy in cancer of the colon and rectum.
mesh_terms: D002277:Carcinoma / Q000601:surgery; D003036:Cobalt Isotopes; D003110:Colonic Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D005500:Follow-Up Studies; D006529:Hepatomegaly; D006801:Humans; D008017:Life Expectancy; D010166:Palliative Care; D011300:Preoperative Care; D012004:Rectal Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D012189:Retrospective Studies
chemical_list: D003036:Cobalt Isotopes