Type of Preparation: SurePath/ LBP Magnification: High Adequacy Description: NILM: Squamous metaplasia Cytomorphologic Criteria: Endocervical cells showing squamous metaplasia have denser cytoplasm. Explanatory Notes: Metaplastic squamous cells are an indicator of sampling of the transformation zone. When immature they may be at times difficult to distinguish from a HSIL (see ASC-H and HSIL images).