Our results showed a positive correlation between OAS1 expression and CD163 in PAAD (R=0.66, p < 0.001) (Figure 8D), LIHC (R=0.54, p < 0.001) (Figure 8E), HNSC (R=0.41, p < 0.001) (Figure 7F), and BRCA (R=0.61, p < 0.001) (Figure 8G). Here, OAS1 is linked to pancreatic adenocarcinoma.