CCL4 and hepatocellular carcinoma: HCC with a T cell‐inflamed TME comprises approximately 35% of all cases, and the profile of the inflamed class of HCC includes higher expression of C‐C motif chemokine ligand 5 (CCL5), CCL4, and other cytokines involved in lymphocyte chemotaxis, such as C‐X‐C motif chemokine ligand 9 (CXCL9), CXCL10, and CXCL11.15