Palliation of advanced carcinomas of the lower sigmoid colon and rectum.
D000368:Aged; D003082:Colectomy; D005069:Evaluation Studies as Topic; D006801:Humans; D008722:Methods; D010166:Palliative Care; D012004:Rectal Neoplasms / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000601:surgery*