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. 2019 Jul 31;18:1536012119863531. doi: 10.1177/1536012119863531

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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 2. — Examples of training image. (Left is original PET image. Middle is the mask of the lung tumor. Right is the fusion image of original PET and mask of lung tumor). PET indicates positron emission tomography.