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(A) Typical nonkeratinizing SSC, for comparison, which has fusiform, high nuclear/cytoplasmic ratios with inconspicuous nucleoli and brisk mitotic activity. The nuclei are relatively consistent in size across the whole tumor (original magnification, ×20). (B) Tumor with an area of MN, in which cells have 3 or more nuclei (original magnification, ×40).
