Staging systems for hepatocellular carcinoma: Current status and future perspectives

Table 14 Eastern stage

Variables	Score
	0	1
Macroscopic vascular invasion	-	+
Tumor number	Solitary	Multiple
PS	0	1-2
Microscopic vascular invasion	-	+
Extrahepatic spread	-	+
Maximum tumor size (cm)	≤ 5	> 5
Albumin (g/L)	≥ 35	< 35
AST (U/L)	≤ 40	> 40
Total bilirubin (μmol/L)	≤ 17	> 17
Presence of cirrhosis	-	+
	Cumulative score
Stage I	0-1
Stage II	2-3
Stage III	4-5
Stage IV	6-7
Stage V	8-10

AST: Aspartate transaminase.