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为评价涉及肝、血管等外科操作的肝转移治疗模式，我们成功地在个体较大的裸大鼠体内建立了人结肠癌（HCC）细胞肝转移模型，并可利用该模型筛选高转移性细胞系，现报道如下：一、材料与方法SPF条件饲养、鼠龄4周的雄性Rowett棵大鼠（Hsd：RH－un／un）38只用于本实验。人结肠
In order to evaluate liver metastasis treatment models involving surgical procedures such as liver and blood vessels, we successfully established a human colon cancer (HCC) cell liver metastasis model in the larger individual nude rats, and can use this model to screen highly metastatic cells. Department, now reported as follows: I. Materials and Methods SPF conditions, 4 weeks old male Rowett rats (Hsd: RH-un/un) 38 were used in this experiment. Human colon