Differential methylation of UBE2I was observed in PAAD, with high methylation in tumor and low methylation in normal cells (P = 0.003; Figure 6(e)), but not in other DSTs (all P > 0.050; Figures 6(a)–6(d), 6(f), and 6(g)). The gene discussed is UBE2I; the disease is neoplasm.