LLung Cancer 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 2009:

New cases:  219,440
Deaths:  159,390
 
To learn more about lung cancer, visit the National Cancer Institute web site at: http://www.cancer.gov/cancertopics/types/lung