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Histologic features such as fraction of maturing squamous differentiation and stromal desmoplasia. a Nonkeratinizing SCC with no maturing squamous differentiation (10X magnification). b Keratinizing type SCC with 100% maturing squamous differentiation (20X magnification). c Keratinizing type SCC with extensive stromal desmoplasia (10X magnification). d Nonkeratinizing SCC with no stromal desmoplasia (10X magnification)
