fig1
![Laparoscopic radiofrequency ablation for hepatocellular carcinoma](https://image.oaes.cc/a839da9a-4520-44f6-aced-537dc8049e98/1157.fig.1.png)
Figure 1. The Barcelona-Clinic Liver Cancer staging system for hepatocellular carcinoma (from Bruix et al.[2]). PS: performance status; M: metastasis classifi cation; N: node classifi cation; Bb: bilirubin; LT: liver transplantation; RFA: radiofrequency ablation; TACE: transarterial chemoembolization