Definition, Symptoms, and Treatment What is lung cancer? What are the symptoms of lung cancer? How is lung cancer treated? Risk Factors, Prevention, and Screening Who is at risk of developing lung cancer? What can be done to reduce the risk of developing lung cancer? Is screening for lung cancer recommended? Statistics How does lung cancer affect the U.S. population? CDC and Community Activities What is the CDC doing to help prevent and control lung cancer? What can my community do to help prevent and control lung cancer? Additional Information, Links, and References Where can I get more information about lung cancer and support for lung cancer survivors? Where does CDC get these facts?