Several pancreatic cancer antigens have been identified that are shared by the majority of pancreatic tumors and include carcinoembryonic antigen (CEA), mucin‐1 (MUC‐1), and the product of mutated KRAS.23 All these antigens have the potential to be used as vaccines for pancreatic cancer. This evidence concerns the gene MUC1 and familial pancreatic carcinoma.