1. Long-term outcomes of microwave versus radiofrequency ablation for hepatocellular carcinoma by surgical approach: A retrospective comparative study 
Kit-fai Lee, John Wong, Joyce Wai-yi Hui, Yue-sun Cheung, Charing Ching-ning Chong, Anthony Kong-wai Fong, Simon Chun-ho Yu, Paul Bo-san Lai 
Asian Journal of Surgery 
Volume 40, Issue 4, Pages (July 2017)
DOI: /j.asjsur
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2. Figure 1
Diagram showing how the cohort of radiofrequency ablation including 47 patients was generated for analysis in this study. HCC = hepatocellular carcinoma; RFA = radiofrequency ablation.
Asian Journal of Surgery  , DOI: ( /j.asjsur )
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3. Figure 2
Log-rank test showed no difference between the two groups in overall and disease-free survival. (A) Log-rank test: p =  (B) Log-rank test: p =  RFA = radiofrequency ablation.
Asian Journal of Surgery  , DOI: ( /j.asjsur )
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4. Figure 3
Log-rank test for tumors < 3.5 cm showed no difference between the two groups in overall and disease free survival. (A) Log-rank test: p =  (B) Log-rank test: p =  RFA = radiofrequency ablation.
Asian Journal of Surgery  , DOI: ( /j.asjsur )
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5. Figure 4
Log-rank test showing significant difference in overall survival favoring microwave ablation, however, there was no difference in disease-free survival for tumors ≥ 3.5 cm. (A) Log-rank test: p = 0.022*. (B) Log-rank test: p =  RFA = radiofrequency ablation.
Asian Journal of Surgery  , DOI: ( /j.asjsur )
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