Small liver colorectal metastases treated with percutaneous radiofrequency ablation: local response rate and long-term survival with up to 10-year follow-up.

Purpose: To determine the long-term (10-year) survival of patients with colorectal liver metastases treated with radiofrequency (RF) ablation and systemic chemotherapy with intention to treat.

Materials And Methods: Institutional review board approval was obtained for this study. From 1997 to 2006, 99 consecutive patients with 202 small (0.