<unk>  small<unk> <unk>  is one of the most common<unk> s in the world. It is a leading cause of<unk>  death in men and women in the United States. Cigarette smoking causes most<unk><unk> s. The more cigarettes you smoke per day and the earlier you started smoking, the greater your risk of<unk><unk> . High levels of pollution, radiation, and asbestos exposure may also increase risk.
Non small cell lung cancer
Large cell carcinoma of the lung
Small cell carcinoma of the lung
Adenocarcinoma of the lung
Sarcomatoid carcinoma of the lung
Squamous cell carcinoma of the lung
Mesothelioma
Bronchoalveolar carcinoma