It was found that compared to normal samples, TNFRSF12A was high-expressed in most tumors, such as STAD, colon adenocarcinoma (COAD), lung adenocarcinoma (LUAD), liver hepatocellular carcinoma (LIHC), and glioblastoma (GBM) (Figure 1A). Here, TNFRSF12A is linked to lung adenocarcinoma.