The lungs are a pair of large organs in your chest. When you breathe in, your lungs expand with air. This is how your body gets oxygen. And when you breathe out, air goes out of your lungs, this is how your body gets rid of carbon dioxide. There is a thin tissue (the pleura) covering the lungs and lines the inside of the chest. Lung cancer forms in the tissues of the lungs, usually in the cells lining air passages.
In many people, lung cancer is related to cigarette smoking although some people who have never smoked can get lung cancer to. As soon as you stop smoking, your risk of lung cancer starts to go down. However long you have been smoking, it is always worth giving up. For support giving up smoking, talk to your GP, Practice Nurse or your local support group. You can find support groups local to you by typing your postcode in Practical Help along with the type of support you want.
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