While apoA2‐AT and apoA2‐TQ concentrations exist in a certain balance in healthy individuals, it was found that in pancreatic cancer patients, there is a group of cases with low apoA2‐AT and high apoA2‐TQ concentrations and a group of cases with high apoA2‐AT and low apoA2‐TQ concentrations [14, 21]. This evidence concerns the gene APOA2 and familial pancreatic carcinoma.