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. 2022 Sep 8;42(10):913–936. doi: 10.1002/cac2.12358

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© 2022 The Authors. Cancer Communications published by John Wiley & Sons Australia, Ltd. on behalf of Sun Yat‐sen University Cancer Center.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Treatment scheme for ER⁺/HER2^– MBC. Abbreviations: ER, oestrogen receptor; HER2, human epidermal growth factor receptor 2; MBC, metastatic breast cancer; AI, aromatase inhibitor; HDAC, histone deacetylase; gBRCA; IHC, immunohistochemistry; ISH, in situ hybridization; T‐DXd, trastuzumab deruxtecan; Y/N, yes/no.