title: Preoperative irradiation of carcinoma of the rectum.
mesh_terms: D003036:Cobalt Isotopes / Q000627:therapeutic use; D006801:Humans; D008207:Lymphatic Metastasis; D008722:Methods; D009366:Neoplasm Seeding / Q000517:prevention & control; D011300:Preoperative Care; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D012004:Rectal Neoplasms / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery; D014945:Wound Healing
chemical_list: D003036:Cobalt Isotopes