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. 2019 Jan 4;51(4):1259–1268. doi: 10.4143/crt.2018.652

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Copyright © 2019 by the Korean Cancer Association

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

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Fig. 2. — (A) Kaplan-Meier overall survival curves in 226 patients with bone-only metastatic nasopharyngeal carcinoma. Patients grouped by the number of metastatic lesions by Epstein-Barr virus (EBV) DNA after palliative chemotherapy (PCT) (B); by combination of lesion numbers and EBV DNA after PCT (C) and by risk stratification (D).