fig4

Figure 4. (a) Arterial contrast enhanced triphasic computerized tomography shows right lobe (segment 6) hepatocellular carcinoma about 16 mm × 14 mm; (b) arterial phase 1 month after RFA; (c) arterial phase 3 months after RFA; (d) arterial phase 9 months after RFA. In b, c and d, no enhancement of the ablated right lobe. Significant decrease in mass size is noted. RFA: radiofrequency ablation