Whereas, Yang et al. found that nonalcoholic fatty liver disease (NAFLD)-associated hepatocellular carcinoma (HCC) expressed low levels of CCL2 as well as other cytokines, such as CCL4, CXCL2, and CXCL6, compared with nontumor tissues [82]. Here, CXCL6 is linked to hepatocellular carcinoma.