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www.mayoclinic.org/diseases-conditions/lung-cancer/symptoms-causes/syc-20374620

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 worldwide.

www.webmd.com/lung-cancer/lung-cancer-causes

Radon gas is a known cause of lung cancer, with an estimated 12% of lung cancer deaths attributable to radon gas, or 15,000 to 22,000 lung cancer-related deaths annually in the U.S. As with ...

www.cancer.org/latest-news/why-lung-cancer-strikes-nonsmokers.html

Lung cancer happens because cells in the lung mutate or change. Most often those changes happen from breathing in harmful chemicals in the air. While it’s true that staying away from tobacco is the most important thing any of us can do to lower our risk of getting lung cancer, there are also other risk factors.

www.healthline.com/health/lung-cancer

Anyone can get lung cancer, but 90 percent of lung cancer cases are the result of smoking.. From the moment you inhale smoke into your lungs, it starts damaging your lung tissue. The lungs can ...

www.nhs.uk/conditions/lung-cancer/causes

If you smoke more than 25 cigarettes a day, you are 25 times more likely to get lung cancer than a non-smoker. While smoking cigarettes is the biggest risk factor, using other types of tobacco products can also increase your risk of developing lung cancer and other types of cancer, such as oesophageal cancer and mouth cancer .

www.cdc.gov/cancer/lung/basic_info/screening.htm

If you are thinking about getting screened, talk to your doctor. If lung cancer screening is right for you, your doctor can refer you to a high-quality screening facility. The best way to reduce your risk of lung cancer is to not smoke and to avoid secondhand smoke. Lung cancer screening is not a substitute for quitting smoking.

www.webmd.com/lung-cancer/non-smoker-lung-cancer

If you're like most folks, when you hear that someone has lung cancer, you probably assume he's a smoker.But there's more to it than that. The truth is you can get the disease even if you've never ...

www.cancer.org/cancer/lung-cancer

There are different types of lung cancer. Knowing which type you have is important because it affects your treatment options and your outlook (prognosis). If you aren’t sure which type of lung cancer you have, ask your doctor so you can get the right information.

www.healthline.com/health/lung-cancer/early-signs

Changes in breathing can occur if lung cancer blocks or narrows an airway, or if fluid from a lung tumor builds up in the chest. Make a point of noticing when you feel winded or short of breath.

www.mayoclinic.org/diseases-conditions/lung-cancer/diagnosis-treatment/drc...

Discuss your lung cancer risk with your doctor. Together you can decide whether lung cancer screening is right for you. Tests to diagnose lung cancer. If there's reason to think that you may have lung cancer, your doctor can order a number of tests to look for cancerous cells and to rule out other conditions. Tests may include: Imaging tests.