The results shown that SERPINE1 was the highest expression in glioblastoma multiforme (GBM), SERPINE2 was the highest expression in kidney renal papillary cell carcinoma (KIRP), and SERPINE3 was the highest expression in cholangiocarcinoma (CHOL) (Figure 1B). The gene discussed is SERPINE2; the disease is cholangiocarcinoma.