title: Preoperative radiation therapy for carcinoma of the rectum and rectosigmoid.
mesh_terms: D000818:Animals; D006801:Humans; D008207:Lymphatic Metastasis; D051379:Mice; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D010347:Patient Care Planning; D011300:Preoperative Care; D011379:Prognosis; D011853:Radiobiology; D011879:Radiotherapy Dosage; D051381:Rats; D012004:Rectal Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery; D012811:Sigmoid Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery