Table 3. Survival of the 4 classes of lipiodol classification according to the 4 types of PVTT.

PVTT extent class	Lipiodol classification	N. patients	Median Survival (Month)
Tpye I	1	2	13.5
	2	9	11.0
	3	6	5.8
	4	3	3.2
Tpye II	1	4	13.4
	2	6	6.4
	3	11	3.6
	4	10	2.7
Tpye III	1	3	10.7
	2	3	6.6
	3	3	2.4
	4	11	4.8
Tpye IV	1	0	NA
	2	0	NA
	3	2	3.3
	4	4	2.2