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. 2019 May 13;60(4):517–526. doi: 10.1093/jrr/rrz019

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© The Author(s) 2019. Published by Oxford University Press on behalf of The Japan Radiation Research Society and Japanese Society for Radiation Oncology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — Kaplan–Meier curves for overall survival and locoregional control rate for all included patients (A), overall survival rate according to M status (B), and overall survival and locoregional control rate according to resectability (C, D). Abbreviations: M0 = patients without non-regional lymph nodal metastasis, M1LYM = patients with supraclavicular lymph nodes included in the irradiation fields, Unresectable = patients with tracheal invasion or major vessel involvement of the primary tumor or metastatic lymph nodes.