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. 2021 Apr 9;100(14):e25400. doi: 10.1097/MD.0000000000025400

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Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial License 4.0 (CCBY-NC), where it is permissible to download, share, remix, transform, and buildup the work provided it is properly cited. The work cannot be used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc/4.0

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Comparison of the immunohistochemical staining between the CNBs and surgical specimens. A. Estrogen receptor, (ER) staining (left, immunohistochemistry (IHC) staining of surgical specimens; right, IHC staining of 2 passes of CNBs showing concordance). B. Progesterone receptor (PR) staining (left, IHC staining of surgical specimens; right, IHC staining of four passes of CNB showing concordance). C. Human epidermal growth factor receptor-2 (HER2) staining (left, IHC staining of surgical specimens; right, IHC staining of one pass of CNB showing concordance).