OAS1 and cancer: In several cancers, such as LIHC (p = 0.020), COAD (p = 0.022), UCEC (p < 0.001), BLCA (p = 0.035), BRCA (p = 0.024), and LUAD (p = 0.034) (Figure 7A), high expression of OAS1 diminishes or even reverses the benefits of CTL infiltration levels on patient survival.