Fig. 6From: Effects of radiofrequency ablation versus other ablating techniques on hepatocellular carcinomas: a systematic review and meta-analysisFunnel plot of pooled data. a completed tumor ablation between the microwave ablation (MWA) group and the radiofrequency ablation (RFA) group. b local tumor recurrence between the MWA group and the RFA group. c overall survival between the percutaneous ethanol injection group and the RFA groupBack to article page