When the cutoff values of apoA2-ATQ/AT and CA19-9 were set to 59.5 μg/mL and 37 U/mL, respectively, the sensitivities of apoA2-ATQ/AT and CA19-9 for detecting any stage of pancreatic cancer were 63.2% and 69.8%, respectively. Here, APOA2 is linked to familial pancreatic carcinoma.