Fig. 3

Photomicrographs of the biopsy specimen showing the intermingling of (a), (b), and (c). a Moderately differentiated epidermoid tumor cells with a duct-like structure (hematoxylin and eosin [H&E], original magnification × 100). b Intermediate cells (H&E, original magnification × 100). c Clear cells (H&E, original magnification × 100)