Figure 1(b) shows that there was a significant difference in the expression of P4HA1 between normal and tumor samples of most tissues except for the Kidney Chromophobe (KICH). Furthermore, P4HA1 was overexpressed in most tumors. Data from TCGA was also used to analyze the impact of high P4HA1 expression on the OS (Figure 1(c)) and DSS (Figure 1(d)) of patients. This was done in order to understand further the impact of P4HA1 on the prognosis of survival from each tumor. Figures 1(c) and 1(d) show that the expression of P4HA1 affects the OS and DSS of patients with PAAD. This evidence concerns the gene P4HA1 and pancreatic adenocarcinoma.