A total of 139 EC tumor tissues were used to show the positive correlation between the expression of RBM25 and PSI value of SEC23A-27345-AP and ZNF638-53926-AP and the negative correlation between RBM25 and PSI value of SEC23A-27346-AP and ZNF638-53927-AP. This evidence concerns the gene DHCR7-DT and neoplasm.