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. 2021 Apr 22;11:630256. doi: 10.3389/fonc.2021.630256

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Copyright © 2021 Xiu, Zhang, Yu, Huang and Huang

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Patient’s imaging before and during anti-tumor treatment. (A) The baseline chest computed tomography (CT) scan before treatment. (B) Bone isotope scanning suggested extensive bone metastases after 12 months of Osimertinib treatment.