From: Radiofrequency ablation following first-line transarterial chemoembolization for patients with unresectable hepatocellular carcinoma beyond the Milan criteria
Prognostic factor
Local success (CR)
P value
Tumor diameter
 ≤5 cm
86.4% (38/44)
0.022
 >5 cm
65.0% (26/40)
Tumor number
 Single
65.0% (13/20)
0.178
 Multiple
79.7% (51/64)