CXCL14 and cancer: Specifically, one sub-cluster (CXCL14+ EPCAM+ cells) exclusively contained cells expressing the breast and kidney-expressed chemokine CXCL14 (third top-scoring differentially expressed gene, as ranked by adjusted p-value = 1.566e-9) that is reduced or absent from most cancer cells and used to distinguish normal tissue (40, 41).