Fig. 6

An example of Herlev database in seven categories: a Superficial squamous epithelial, b Intermediate squamous epithelial, c Columnar epithelial, d Mild squamous non-keratinizing dysplasia, e Moderate squamous non-keratinizing dysplasia, g Severe squamous non-keratinizing dysplasia, h Squamous cell carcinoma in situ intermediate