PDLIM2 was negatively correlated with the TMB in BLCA, cholangiocarcinoma, COAD, LIHC, LUAD, LUSC, paraganglioma, prostate adenocarcinoma, pulmonary enteric adenocarcinoma, stomach adenocarcinoma, and thymoma and positively correlated with ACC (Fig. 7a). Here, PDLIM2 is linked to prostate adenocarcinoma.