ACKR3 and hepatocellular carcinoma: CXC chemokine receptor 7 (CXCR7), now classified as a chemokine receptor able to bind the chemokines CXCL12/SDF‐1 and CXCL11, was found to function primarily by sequestering the chemokine CXCL12, and is highly expressed in the HCC 12, 13, 14.