Influence of preoperative recognition of high-grade rectal cancers on treatment and results.
D005500:Follow-Up Studies; D006801:Humans; D008131:London; D009362:Neoplasm Metastasis; D010386:Pelvic Neoplasms; D011300:Preoperative Care; D011379:Prognosis; D012004:Rectal Neoplasms / Q000145:classification / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D012811:Sigmoid Neoplasms / Q000175:diagnosis / Q000601:surgery