As shown in Figure 7, the expression levels of CXCL1 (p = 0.0361), CXCL3 (p = 0.0115), CXCL5 (p = 0.0008), and CXCL8 (p = 0.0145) are related to different clinicopathological stages in PAAD. This evidence concerns the gene CXCL5 and pancreatic adenocarcinoma.