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. 2017 Mar 14;23(10):1836–1842. doi: 10.3748/wjg.v23.i10.1836

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Kaplan-Meier curves for overall survival. A: Overall survival in patients with HER2-positive and HER2-negative gastric cancer; B: Serum HER2 extracellular domain (ECD) level < 15 ng/mL and serum HER2 ECD ≥ 15.0 ng/mL; and C: Serum HER2 ECD < 24.75 ng/mL and serum HER2 ECD ≥ 24.75 ng/mL.