how common is lung cancer if you have never smoked?

by "CAVE CANEM"
Question by jamielmusic: how common is lung cancer if you have never smoked?
i guess im looking to see how dangerous both second hand smoke is and without any contact of smoking how possible it is to get cancer of the lungs.


Best answer:
Answer by TarkarriThere are different types of lung cancer.

Small cell lung cancer (about 20% all lung cancers) - 99% of patient are smokers or ex-smokers.

Non-small cell lung cancer (the other 80%) - cigarettes are still a major

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