In particular, chemokines, including CXCL8, CXCL10, CXCL11, CXCL16, CCL26, and CCL7, as well as chemokine receptors, including CXCR3, CCR2, CCR5, and CCR1, were positively correlated with MRPL13 expression in various cancer types. The gene discussed is CCL7; the disease is cancer.