CXCL9 and breast cancer: Furthermore, survival analysis showed among candidate target genes, CXCL9, CCR7, SOCS1, CD27, EFHD2, IL7, P2RX1, CCR9, PTPN7, and CCL19 were expressed as a better prognosis of breast cancer patients in the TCGA database (n = 1062) (Figure 4C).