Table 5. Modified UICC Stage.

Stage	T	N		M
I	T1	N0		M0
II	T2	N0		M0
III	T3	N0		M0
IV A	T4	N0		M0
	T1, T2, T3, T4	N1		M0
IV B	T1, T2, T3, T4	N0, N1		M1
Criteria	T1	T2	T3	T4
(1) Number of tumors: solitary (2) Diameter of the largest tumor ≤ 2 cm (3) No vascular or bile duct invasion: Vp0, Vv0, B0	All three criteria are fulfilled	Two of the three criteria are fulfilled	One of the three criteria is fulfilled	None of the three criteria are fulfilled

Adopted from the Liver Cancer Study Group of Japan [210,211]. UICC = Union for International Cancer Control