CEACAM5 and cyst: The variables in the present nomogram were ranked according to the OR value as follows: serum CA19-9 ≥37 u/ml, cyst wall enhancement, MPD diameter ≥10 mm, NLR ≥2, serum CEA ≥5 ng/ml, cyst size ≥3 cm, cyst in the body/tail, and multicystic lesion.