Interest of histopronostic classification in three grades in the therapeutic management of primary epithelial parotid carcinoma V. Results: Microscopic examination showed a biphasic tumor with a prominent myxoid stroma and tumor cells with clear cytoplasm involving pleural tissue. Immunohistochemistry showed tumor cells positive for keratin, S100 protein, smooth-muscle actin, p63 protein, vimentin. Histological and immunohistochemical features confirmed the diagnosis of epithelial-myoepithelial carcinoma. The patient underwent a right parotidectomy 3 years earlier for removal of 3.5 cm mass diagnosed as EMC.