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. 2020 Nov 5;21(12):1097–1104. doi: 10.1080/15384047.2020.1834319

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© 2020 The Author(s). Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.

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Figure 1. — Clinical and histological data of the patient from our center. (a) The timeline of treatments for a patient with advanced esophageal squamous carcinoma. (b) The PD-L1 expression in tissue sample by IHC using 22C3 (X200)