According to the results, FURIN expression was positively correlated with the ImmuneScore in BLCA, COAD, DLBC, GBM, PCPG, and UVM, while FURIN expression negatively correlated with the ImmuneScore in CHOL, LUAD, TGCT, and THYM (Figure 6A). Here, FURIN is linked to glioblastoma.