CEACAM5 and cyst: The average age was 71.3 ± 11.2 in group A and 60.4 ± 14.9 in group B. Thirty-eight patients (41.3%) in group A were males, compared to 10 patients (50%) in group B. The mean cyst amylase and CEA levels were significantly higher in group A compared to group B (45,032 unit/lit vs. 5467 unit/lit and 886 ng/mL vs. 129 ng/mL, respectively).