Postoperative radiotherapy might be a risk factor for second primary lung cancer: A population-based study.

Front Oncol · 2022 · PMC9597700 · PMID 36313722

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a clear trendno p-value reported

There is a clear trend of a higher relative risk of second cancers in organs outside of the irradiated target compared to patients who were not irradiated ( 20 – 25 ).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.