To establish an effective predictive model for mucinous PCN-derived malignancies, four other independent factors including tumor size ≥ 49 mm, MPD diameter ≥ 10 mm, CA19-9 ≥ 42.7 U/mL and CEA ≥ 1.9 ng/mL were incorporated. This evidence concerns the gene CEACAM5 and neoplasm.