Background SBRT is an emerging alternative to RFA Most of the data on using SBRT come from single institutions ... year FFLP : 83.6% and 80.2% for tumors treated with RFA and 97.4% and 83.8% for tumors treated with SBRT ... Overall survival at 1 and 2 years : 69.6% and 52.9% after RFA and 74.1% and 46.3% after SBRT Background