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. 2019 Aug 19;4(4):e000536. doi: 10.1136/esmoopen-2019-000536

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© Author (s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. Published by BMJ on behalf of the European Society for Medical Oncology.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, any changes made are indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Radiological evaluation timeline. (A) Start anti-PD-1 treatment, (B) first assessment at 9 weeks and (C) last evaluation visit at 45 weeks. ¹⁸F-FDG PET, 2-deoxy-2-(fluorine-18)fluoro-D-glucose positron emission tomography; fusion, ¹⁸F-FDG PET/CT fusion image; PD-1, programmed death 1; PR, partial response; TL, target lesion.