title: Evaluation of palliative irradiation in rectal carcinoma.
mesh_terms: D000230:Adenocarcinoma / Q000532:radiotherapy; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000532:radiotherapy; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D011879:Radiotherapy Dosage; D012004:Rectal Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D013997:Time Factors