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结肠直肠癌肝转移灶的治愈性治疗是手术切除，其5年生存率约40％，但这种手术切除率仅为20％～25％，有必要发展术前辅助（又称新辅助）疗法和术后辅助疗法。
The curative treatment of colorectal liver metastasis is surgical resection. The 5-year survival rate is about 40%. However, this surgical resection rate is only 20% to 25%. It is necessary to develop preoperative assistant (also known as neoadjuvant) therapy. And postoperative adjuvant therapy.