CDKN2A and pancreatic neoplasm: Briefly, well-established pancreatic cancer susceptibility genes include BRCA2, ATM, BRCA1, PALB2, CDKN2A, STK11, PRSS1, SPINK1, and the mismatch repair genes (MLH1, PMS2, MSH2, and MSH6), as summarized in Table 2.