CCL22 and hepatocellular carcinoma: As shown in Fig. 5F, EZH2 expression was significantly associated with that of several chemokines and chemokine receptors, including CXCL6, CCL7, CCL8, CCL22, CXCL10, CCL27, CCL18, CCL16, CXCR4, CCR8, CCR10, CCR1, and CCR7, in HCC.