As shown in Figure 2A, there are XX identical genes in the top 719 genes and the CAG list, XPO1, CUL3, EGFR, HSP90AA1, NTRK1, etc., were clearly ranked at the top, further indicating their essential functions in the malignant progression PAAD. The gene discussed is HSP90AA1; the disease is pancreatic adenocarcinoma.