What do lung cancer And emphysema have in common

While emphysema and lung cancer are two different conditions, they do share some associations and share the main risk factor for both which is cigarette smoking. Both can lead to immune system malfunction, inflammation, and cell damage which play a role in the development of the two diseases. so they both be come from the cause of smoking

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Both are caused by smoking.

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2%? i tried finding the exact sorry if it's not 100% correct ; -;