Type of Preparation: SurePath/ LBP Magnification: High Interpretation: Adenocarcinoma, endocervical Cytomorphologic Criteria: Cluster of abnormal cells with enlarged, variably-sized nuclei with irregularly distributed chromatin and prominent or macronucleoli. Explanatory Notes: Irregular chromatin distribution and prominent or macronucleoli are classic findings in invasive endocervical adenocarcinoma.