This is prospective,a single-arm, single center, clinical trail study.The patient entered the study after meeting that criteria.The ORR, R0 resection, OS and DFS of patients and neoplasm down-staging status,etc would be compared.
In this study, a randomized controlled trial was conducted on advanced colon cancer patients with preoperative tumor staging T1-4/N1-2/M0 or T4/N0/M0 to determine the effectiveness of preoperative short-term radiotherapy combined with chemotherapy and whether it can effectively reduce the postoperative local recurrence rate, so as to provide better treatment for colon cancer patients and improve the oncological treatment effect of colon cancer.