Table 2.

The expression differences of CAIX, CD10, vimentin, CK7 and CD117 between CCRCC and ChRCCs in the carcinoma and sarcomatoid differentiation

	CCRCC	ChRCC	P value	CCRCC	ChRCC	P value
	C+	C+		S+	S+
CAIX	23/35	0/7	0.002*	29/35	7/7	0.567
CD10	21/35	0/7	0.009*	27/35	5/7	1.000
Vimentin	23/35	0/7	0.002*	35/35	7/7	−
CK7	3/35	7/7	0.000*	5/35	0/7	0.569
CD117	3/35	6/7	0.000*	2/35	0/7	1.000

C carcinoma cell, S sarcomatoid cell

*The difference is statistically significant