在结肠直肠癌肝转移中 ,原发肿瘤分期、转移灶的数目和大小、无瘤期限、两叶病变、术前癌胚抗原值(CEA)和切缘情况是判断病人长期生存的预后因子。作者近期发现超声检查转移灶呈高回声者的预后较好 ,其原因不明。为此 ,作者对澳大利亚新威尔士大学医院外科于 1992～ 1995年施行 In colorectal liver metastases, the primary tumor stage, the number and size of metastatic lesions, the no-tumor period, two-lobe lesions, preoperative carcinoembryonic antigen (CEA) values, and margins are the prognostic factors for long-term survival. The authors found that the prognosis of patients with hyperechoic hypersound is better, and the reason is unknown. To this end, the author performed the surgery of New Wales University Hospital in Australia from 1992 to 1995.