CCR1 and hepatocellular carcinoma: In the GSE14520 cohort, CCR1 (AUC=0.731, Supplementary Figure 1A) and CCR5 (AUC=0.714, Supplementary Figure 1E) were observed to produce reasonable diagnostic performance in HCC, while the diagnostic significance of the other CCR family members (Supplementary Figure 1B–1D, 1F–1J) were not satisfactory.