Table 1.

Drug administration in the three groups

Group	Drug administration
Control	0.3 mL normal saline
Arterial infusion (AI group)	5-fluorouracil (5-FU) 20 mg/kg
Transarterial chemoembolization (TACE group)	lipiodol ultra-fluis (Andre Guerbet Laboratories, Aulnay-Sous-Bios, France) 0.5 mL/kg and 5-FU 20 mg/kg