title: Cancer of the colon as a late sequel of pelvic irradiation.
abstract: A patient, who developed carcinoma of the rectum nine years following therapeutic radiation for pelvic malignancy is presented. The relationship of radiation to carcinoma of the colon is reviewed. This relationship makes rigorous follow-up of patients with radiation induced chronic proctocolitis essential.
mesh_terms: D002277:Carcinoma / Q000209:etiology*; D003110:Colonic Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D011349:Proctitis / Q000209:etiology; D011878:Radiotherapy / Q000009:adverse effects*; D014625:Vaginal Neoplasms / Q000532:radiotherapy