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. 2021 Jul 5;62(5):884–893. doi: 10.1093/jrr/rrab060

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© The Author(s) 2021. Published by Oxford University Press on behalf of The Japanese 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. 2. — Estimated life expectancy stratified by age at diagnosis in patients with stage IA NSCLC after lobectomy or PBT. PBT; Particle beam therapy.