Posttreatment CT showed complete necrosis in 86 of 109 (78.9%) colorectal liver metastases after one session of RFA treatment, and residual tumors were observed in 21.1% (23/109) tumors.

• 治疗后动态电脑断层摄影显示78.；9%25(86/109)的肿瘤完全坏死，而21