Table 2.

Association between IHC markers and ICC tumor features.

Features	Markers	Expression level				X 2	P value
	CK7	—	+	++	+++	8.958	0.030
Lymphatic metastasis
No		2	20	16	39
Yes		4	7	3	31
	SATB1	—	+			5.828	0.016
Distant metastasis
No		6	35
Yes		3	2
	CK20	—	+	++	+++	19.776	0.003
Tumor number
1		85	4	2	0
2		3	0	0	0
≥3		15	4	0	3