What is lung cancer?
Cancers that begin in the lungs are divided into two major types, non-small cell lung cancer and small cell lung cancer, depending on how the cells look under a microscope. Each type of lung cancer grows and spreads in different ways and is treated differently.

More Facts About Lung Cancer
• What is Lung Cancer?
• What Causes Lung Cancer?
• How Is Lung Cancer Detected?
• How Is Lung Cancer Treated?
• How Can You Prevent Lung Cancer?
• Lung Cancer Treatment Decision Support
• Lung Cancer Fact Sheet
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