The data showed that high expression of PCSK9 was associated with an adverse DFS prognosis in PAAD (p = 0.031), KIRC (p = 0.014), KICH (p = 0.046), BLCA (p = 0.009), and LUAD (p = 0.026) (Figure 3C). Here, PCSK9 is linked to pancreatic adenocarcinoma.