Definition of Lung Cancer

Cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells look under a microscope.  
Estimated new cases and deaths from lung cancer (non-small cell and small cell combined) in the United States in 2010
New cases: 222,520
Deaths: 157,300

Posted in: Definition of lung cancer