Enlarged cross-section model features three cancerous conditions; NBC (Nodular Basal Cell), MM Malignant Melanoma, MBC (Morpheic Basal Cell) and three non-cancerous conditions; DN (Dysplastic Nevi), KA (Keratoacanthoma), AK (Actinic Keratosis) with basal layer and dremal layer cross-section detail. (Model size: 4″x1-1/4″) (Card size: 6-1/2″x5-1/4″)