While CCL14 and XCL1 have shown only good prognostic value, other chemokines such as CCL5, CCL20/CCR6, CCR7, CXCL1, CXCL8, and CXCL12/CXCR4 have consistently played the role of poor prognostic markers in different kinds of cancer. Here, CXCR4 is linked to cancer.