CCR4 and cancer: The receptors affect a few cancer types among different clusters, including BLCA, BRCA, CESC, HNSC, KIRP, KIRC, LUAD, LUSC, LIHC, OV, PRAD, PAAD, THCA, TGCT, and UCEC; CCR1, CCR2, CCR4, CCR5, CCR6, CCR8, CXCR5, XCR1 and CX3CR1 are affected in most tumor types (Figure 7A).