Type of Preparation: SurePath/ LBP Magnification: High Interpretation: HSIL Cytomorphologic Criteria: On low power, the group of cells in the center may appear to be glandular and small. On closer inspection, large abnormal nuclei are evident; single lying cells are similar and consistent with HSIL. Explanatory Notes: When screening, it is important to distinguish abnormal squamous cells from endometrial or endocervical cells.