As shown in Table 2, in 9 kinds of tumors (BLCA, COAD, GBM, KIRC, LGG, OV, PAAD, PCPG, and PRAD), immune scores were positively correlated with the expression of PLOD2 and negatively correlated with the expression of CESC, SARC, TGCT, THCA, THYM, and UCEC. Here, PLOD2 is linked to glioblastoma.