Table 1.

Transcatheter arterial chemoembolization for HCC with portal vein tumor thrombus

Lead author	Yr	n	Location of tumor thrombus	Treatment	Mortality within 1 mo (%)	Response rate (%)	Median survival time (mo)
Yamada R et al[9]	1983	9	Vp4	TACE	55.5	-	-
Okazaki M et al[10]	1991	48	Vp2	TACE	6.5	-	4.3
		56	Vp3	TACE	8	-	4
		59	Vp4	TACE	5.6	-	3.8
Raoul JL et al[14]	1994	27	Vp3, 4	131I-labeled lipiodol	0	40	6
Chung JW et al[12]	1995	110	Vp3, 4	TACE	2.7	28	6
Georgiades CS et al[13]	2005	32	Vp3, 4	TACE	0	-	9.5

Vp2: 2^nd order branches of the portal vein; Vp3: 1^st order branches of the portal vein; Vp4: the main trunk of the portal vein.