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Study bolsters evidence that screening reduces lung cancer deaths
Health Key

Screening smokers and ex-smokers with spiral CT scans can reduce lung cancer deaths by 20% without triggering too many dangerous or unnecessary tests that sometimes result from cancer screening programs, researchers reported Wednesday in the New England Journal of Medicine.

After conducting a more thorough analysis of data from a trial involving more than 53,000 patients, the researchers found that even though the scans produced many false-positive results — affecting 39% of those who were screened three times — there were few serious complications resulting from them.

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