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Histologic features of the resected specimen. (A,B) The proliferation of lobules separated by hypercellular stroma and epithelial proliferation in cleft-like spaces (40×); (C) the lobules were lined by vacuolated secretory cells and contained eosinophilic secretions in the lumens (400×); (D) area of hemorrhagic necrosis within the tumor (100×).
