How fast does lung cancer kill?

Question by Nathan: How fast does lung cancer kill?
My grandfather gtot diagnosed with lung cancer in both lungs. Last year he had given up smoking after 60 years of addiction. He’s 76 or so years old. He’s looking pretty good right now but I’m just wondering what the worst and best case scenarios are here.

Best answer:

Answer by /M\i/K\E
It slowly spreads and causes lung disease.

Chemo can help sometimes. I wish you the best of luck.

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