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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. 3. — Mean cumulative dose–volume histograms of all patients for PTV₆₀ (A), bilateral lungs (B), PRV_cord (C), brachial plexus (D), and Thyroid_{out of PTV} (E). Abbreviations: 3DCRT = 3D conformal radiotherapy, PTV₆₀ = sum of planning target volume of primary tumor and metastatic lymph nodes, PRV_cord = the planning organs-at-risk volume of spinal cord, SIB-IMRT = simultaneous integrated boost intensity-modulated radiotherapy, SIB-IMRT-D_50%: SIB-IMRT with the prescribed dose of 60 Gy delivered to 50% of PTV₆₀, SIB-IMRT-D_95%: SIB-IMRT with the prescribed dose of 60 Gy delivered to 95% of PTV₆₀, Thyroid_{out of PTV} = volume of thyroid gland excluding the volume overlapping with PTV₆₀.