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大肠癌是一种常见的恶性肿瘤。近年来随着我国人民生活水平的提高，饮食结构的改变，其发病率有增高趋势，且以进展期大肠癌居多。虽然经以手术为主的综合治疗，但仍有半数治疗失败。其主要原因为腹腔内复发和肝转移。因此，采取合理的术后辅助治疗措施，防止这些部位的复发和?
Colorectal cancer is a common malignancy. In recent years, with the improvement of people’s living standards and changes in the dietary structure, the incidence rate has increased, and there have been many cases of advanced colorectal cancer. Although comprehensive treatment based on surgery was used, half of the treatments failed. The main reason for this is intra-abdominal recurrence and liver metastasis. Therefore, to take reasonable postoperative adjuvant treatment measures to prevent the recurrence of these sites and?