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. 2016 Jan 4;35:1. doi: 10.1186/s40880-015-0074-y

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© Yang et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — MR imaging of the NPC patient at 3 months after treatment. T1-weighted axial MR image of the nasopharynx a without contrast, b with contrast, and c T2-weighted axial MR image of the nasopharynx show edema signal of the nasopharyngeal mucosa but no mass. T1-weighted axial MR image d with contrast of previous occipital lymph node level and e T2-weighted axial MR image of previous occipital lymph node level show normal structure now. T1-weighted sagittal MR images f without contrast and g with contrast reveal no mass as well