Table 1.

Immunohistochemical staining of EZH2 in CRC tissues

EZH2 expression	CRC tissues (n)	Paired nontumor tissues (n)
–	5	22
+	4	13
++	12	7
+++	21	0
Total	42	42
P-value		<0.01

CRC: colorectal cancer; –: negative; +: weakly positive; ++: positive; +++: strongly positive.