In relation to the pancreas, PPSRCC had a median age of presentation of 68 years, slightly younger than the 70-year-old median age of presentation of pancreatic adenocarcinoma.5 No research to date has compared levels of blood tumor markers in PPSRCC, such as CA 19-9 and CEA, with other forms of pancreatic cancer. This evidence concerns the gene CEACAM5 and pancreatic adenocarcinoma.