Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40880-017-0183-x/MediaObjects/40880_2017_183_Fig2_HTML.gif)
Survival curves for HCC patients treated with radiofrequency ablation (RFA) and microwave ablation (MWA). Survivals were evaluated using Kaplan–Meier curves and compared with the log-rank test. No significant differences are observed between the two groups. a Overall survival curves; b recurrence-free survival curves