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. 2017 Dec 20;9(2):2468–2474. doi: 10.18632/oncotarget.23503

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Copyright: © 2018 Shen et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Positive HER-2 expression: the cell membrane is brown and continuous. (A1) 100x magnification, (A2) 200x magnification. High Ki-67 expression: the nucleus is brown, with tumor cell positivity in 70% of the cells, (B1) 100x magnification, (B2) 200x magnification. IHC: immunohistochemistry.