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. 2021 Jan 11;55(1):1–15. doi: 10.4132/jptm.2020.11.20

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© 2021 The Korean Society of Pathologists/The Korean Society for Cytopathology

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 8. — Representative examples of human epidermal growth factor receptor 2 (HER2) immunohistochemistry (IHC) scores in invasive breast carcinoma: (A) HER2 IHC score 0, (B) HER2 IHC score 1+, (C) HER2 IHC score 2+, and (D) HER2 IHC score 3+.