{"a":[{"_":"Rare EGFR mutation increases lung cancer risk 62 times in never smokers","$":{"href":"/research/rare-egfr-mutation-increases-lung-cancer-risk-25-times-62-times-never-smokers","hreflang":"en"}}]}

Summary

A rare inherited germline EGFR mutation was found to increase lung cancer risk 25-fold in never smokers, significantly higher than the 4-fold increase from smoking. This research highlights the genetic contribution to lung cancer susceptibility in non-smoking populations.