PMC5387319_01
Hematoxylin-eosin stains showing the morphology of tumor cells (H&E 200x). a recurrence, b Second primary tumor (SPT)
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Fig1
Microscopically, the hematoxylin-eosin staining showed tumor cells with eosinophilic cytoplasm, pleomorphic nuclei and numerous mitoses (Fig. 1a). Microscopically, the hematoxylin-eosin stain demonstrated a presence of dyskeratotic cells, polygonal-shaped cells with eosinophilic cytoplasm and nuclei showing mild to moderate atypia (Fig. 1b).