PLOD2 and bladder transitional cell carcinoma: 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.