Fig. 1. Study flow diagram. RFA, radiofrequency ablation; CA, cryoablation; MWA, microwave ablation. *1 RFA, 4 CA, and 1 MWA studies were excluded due to similar patient population in another included study. 1 RFA and 1 MWA studies were excluded from the quantitative synthesis as they lacked data that can be analyzed.

Gastrointestinal Intervention 2016;5:27~39 https://doi.org/10.18528/gii150007

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