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. 2021 May 13;13(10):2352. doi: 10.3390/cancers13102352

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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1-year overall survival. Meta-analysis of 5 studies of ICI-RT association: 2 studies of ICI-RT vs. RT alone (a) and 3 studies of ICI-RT vs. IT alone (b). The risk ratio (RR) and 95% confidence interval (CI) for the effect of treatment on 1-year overall survival are shown on a logarithmic scale. Studies are arranged by publication year. Theelen study is a pooled analysis of two RCTs.