Papillary cystic tumors of the pancreas: assessment of malignant potential by analysis of progesterone receptor, flow cytometry, and ras oncogene mutation.

Abstract

These results suggest PR status and ras oncogene mutation appear to be not useful in predicting aggressive behavior. DNA ploidy and S-phase fraction may provide useful information for prognosis, but their more precise prognostic value of PCT needs a larger number of cases to clarify.