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    Lung Cancer - Cause

    More than 8 out of 10 lung cancers are caused by smoking.3Tobacco smoke contains carcinogens-substances that cause cancer. These substances damage lung cells, and over time the damaged cells can turn into lung cancer.

    The more you smoke and the longer you have smoked, the higher your chances of getting lung cancer. You lower your chances when you quit or cut down on how much you smoke.

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    Questions to Ask About Your Lung Cancer

    Exactly what kind of lung cancer do I have? Where is the cancer located and how far has it spread? What stage is my cancer? What are my chances for recovery? Can you remove my lung cancer with surgery? How will the surgery affect my breathing or quality of life? Will I need chemotherapy or radiation? What are the goals for these lung cancer treatments, and what is my prognosis? What are my treatment choices, and what do they mean for me long-term? What side effects do...

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    A few people get lung cancer after being exposed to other harmful substances, including asbestos, radioactive dust, radon, or radiation such as X-rays.

    Cancer also may be caused by gene changes (mutations) that occur as you get older.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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