CXCL12 and cancer: Among several chemokines, CCL1, −2, −4, −5, −7, −8, −12, −13, and IL6 might influence the interaction of inflammation with cancer malignancy, and CCL2, −3, −5, −7, CXCL12, −14, and IL6 were found to be able to affect the macrophage infiltration [37].