ERAP2 and familial pancreatic carcinoma: Likewise, ERAP2-expression has been repeatedly associated with pancreatic cancer prognosis and diagnosis (Wu et al., 2020; Li et al., 2021; 2022; Liu et al., 2021; Guan et al., 2022; Yu et al., 2022; Zhou et al., 2022; Chen et al., 2023).