[Correspondence] Low-dose CT for lung cancer screening – Authors' reply

We agree with Ruano-Ravina and colleagues that stopping smoking is the most effective measure for reducing lung cancer mortality. However, even if optimal smoking cessation could be achieved in all current smokers, former smokers would still be at high risk of developing lung cancer. Nowadays, low-dose CT is the only screening method that has been proven to be capable of detecting lung cancer at an early, curable stage.1 Furthermore, low-dose CT screening is considered to be a so-called teachable moment, and several trials have shown that smoking cessation is increased when combined with CT screening.

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