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. 2019 May 30;18:1536012119846025. doi: 10.1177/1536012119846025

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© The Author(s) 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — A 47-year-old male patient with adenocarcinoma in right lung whose PET/CT stage was IV. The PFS was 6.97 months and the OS was 11.77 months. A volume of interest around the primary lung tumor lesion in ¹⁸F-FDG PET/CT images is drawn with an isocontour standard uptake value threshold method to measure MTV and TLG. CT indicates computed tomography; MTV, metabolic tumor volume; OS, overall survival; PET, positron emission tomography; PFS, progression-free survival; TLG, total lesion glycolysis; ¹⁸F-FDG, ¹⁸F-fluorodeoxyglucose.