CCR5-CCL4/CCL5 and CXCR3-CXCL9/CXCL10/CXCL11/CXCL13 axis were significantly correlated with CD 4 T and CD 8 T cells, indicating that these chemokine–receptor pairs may recruit the T lymphocytes into tumor (Figures 3C, D). Here, CXCL13 is linked to neoplasm.