11.   His first wife Joy was a heavy smoker who died of lung cancer.

12.   I might ignore all the warnings and even try to convince other people that lung cancer does not really exist.

13.   I still remember the heartbreak of watching my dad suffer from lung cancer.

14.   Lung cancer is just one of the many diseases that arise from smoking too many cigarettes.

15.   Lung cancer is one of the more aggressive and tenacious forms of cancer.

16.   Most people know that smoking causes lung cancer.

17.   Numerous studies have shown a link between smoking and lung cancer.

18.   One area of recent debate concerns radon gas and its links to lung cancer.

19.   Recent studies have found an increased risk of diseases other than lung cancer in passive smokers.

20.   She died of lung cancer, a result of a three-Decade smoking addiction.