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. The gene discussed is CEACAM5; the disease is pancreatic neoplasm.