PDE4DIP and pancreatic adenocarcinoma: For PFI, high PDE4DIP expression was associated with the significant reduction in PFI in KICH (p = 0.030), THYM (p = 0.006), and UVM (p = 0.016) patients, while it was significantly associated with better PFI in PAAD (p = 0.003) patients (Figure 3d).