Type of Preparation: Conventional Magnification: High Interpretation: Adenocarcinoma, extrauterine Cytomorphologic Criteria: Cluster of cells with enlarged, variably-sized round or oval nuclei with prominent/macronucleoli. Smear background is clean. Explanatory Notes: When cells diagnostic of adenocarcinoma are seen in a clean background or with morphology unusual for tumors of the uterus or cervix, an extrauterine origin should be considered. Follow-up: Ovarian adenocarcinoma