Type of Preparation: Conventional Magnification: High Clinical History: Routine Pap smear 24 year old. Also had Trichomonas vaginalis and mixed bacteria on this smear Interpretation: NILM vs ASC-US Cytomorphologic Criteria: Mild nuclear enlargement and binucleation. Explanatory Notes: Nuclear changes may be reactive due to Trichomonas, however a low grade lesion cannot be entirely excluded.