Signs & Symptoms of Lung Cancer & What You Need to Know | American Lung Association

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Learn About Lung Cancer

Learn about the symptoms of lung cancer, types of lung cancer, lung cancer screening eligibility and how to reduce your risk of lung cancer.

Knowing and reducing your risk

Your Risk

Smoking is the greatest risk factor, but there are others like radon and air pollution.

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Lung Cancer Symptoms

Lung cancer can go undiagnosed for a long time because symptoms—such as a nagging cough—can be chalked up to other health issues. If your symptoms persist, ask your doctor about lung cancer.

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Lung Cancer Screening

Screening for Lung Cancer

Screening is available for those who are at high risk. If you are over 55 and have a smoking history, you may be eligible for lung cancer screening.

Types of Lung Cancer

No two lung cancers are the same. There are different types and subtypes of lung cancer. Knowing this and whether or not a tumor has any biomarkersA molecule found in the body that is a sign of a normal or abnormal process, or of a condition or disease. Biomarker testing can provide important information about treatment options. can help inform treatment options.


Your lung cancer treatment options depend on your unique lung cancer.

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Work is being done to find cures and better early detection.

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Stay up to date on the latest news and information on the fight against lung cancer.

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Questions about your lung health? Need help finding healthcare? Call 1-800-LUNGUSA.

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