Furthermore, we provided new insights that CXCL10 through TLR4, instead of CXCR3, mobilized monocytic MDSCs, but not granulocytic MDSCs, to the liver for facilitating cancer recurrence using CXCL10−/−, CXCR3−/− and TLR4−/− mice. Here, CXCR3 is linked to cancer.