Prognostic factors for hepatocellular carcinoma recurrence

Table 1 Risk factors predicting hepatocellular carcinoma recurrence after non-surgical treatments

Treatment	Risk factors	Ref.
Percutaneous ethanol injection	Tumor size > 2-3 cm	[17,21-23]
	Multinodularity	[18,19]
	Peritumoral capsule	[17,24]
Percutaneous radiofrequency ablation	Tumor size > 2-3 cm	[31,33]
	Position of nodule near large vessels or diaphragm	[31]
Transarterial chemoembolization	Multifocality	[39,40]
	Partial necrosis	[44]
	Age > 60	[39]
	Pattern of lipiodol accumulation (partial or heterogeneous)	[41,42]