CDKN2A and hereditary chronic pancreatitis: According to this program, patients with mutations of BRCA2, PALB2, CDKN2A, ATM, or MMR genes* and 1 first-degree relative (FDR) with PC and familial individuals with FPC or two or more BRs and 1 FDR with PC, patients with Peutz–Jeghers or FAMM syndrome, or patients with hereditary pancreatitis after their first attack should be subjected to surveillance [129].