LUNG CANCER
Lung cancer is a type of cancer that begins in the lungs. Your
lungs are two spongy organs in your chest that take in oxygen when you inhale
and release carbon dioxide when you exhale.
Lung cancer is the leading
cause of cancer deaths in the United States, among both men and women. Lung
cancer claims more lives each year than do colon, prostate, ovarian and breast
cancers combined.
People who smoke have the
greatest risk of lung cancer. The risk of lung cancer increases with the length
of time and number of cigarettes you've smoked. If you quit smoking, even after
smoking for many years, you can significantly reduce your chances of developing
lung cancer.
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