PIMREG and familial pancreatic carcinoma: Subgroup analysis identified that high FAM64A expression correlated significantly with poor RFS in pancreatic cancer cases of histologic grade G1/G2 (p = 0.012), clinical stage I/II (p = 0.0016), T1 (p = 0.036), T2 (p = 0.0076), and N1 (p = 0.037).