CDKN2A and Peutz-Jeghers syndrome: They also include (1) individuals with familial pancreatic cancer (FPC) kindreds (see Canto et al. (2013) [12] for a full definition of FPC), (2) individuals with germline mutations in ATM, BRCA1, BRCA2, CDKN2A, PALB2, PRSS1, STK11, and TP53, (3) individuals with Lynch syndrome, and (4) individuals with Peutz–Jeghers syndrome (PJS) [9,10,12].