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. 2018 Mar 9;15(6):536–548. doi: 10.7150/ijms.23402

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Morphologic and immunohistochemical features of Triple Negative Breast Cancer. A) Hematoxylin & Eosin stain illustrates a Triple Negative variant with features of high grade infiltrating duct carcinoma (original magnification 200X); B) Immunohistochemistry for EGFR displaying moderate to strong, membranous and membranous-cytoplasmic immunoreactivity (original magnification 200X); C) Immunohistochemistry for CK5/6 showing diffuse and intense cytoplasmic immunoreactivity (original magnification 200X); D) Immunohistochemistry for AR showing intense nuclear immunoreactivity in the majority of neoplastic cells (original magnification 200X).