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Lung cancer

Updated on April 9, 2016


Lung cancer is a cancer that starts in the lungs . Spongy lungs are the organs in the chest of the body, oxygen is inhaled and carbon dioxide when breathing out .

Lung cancer is the cause of death in cancer types in the United States , in both men and women . Lung cancer deaths each year than colon cancer , prostate , ovarian , lymph and breast cancers .

Smokers with lung cancer risk is greatest. The risk of lung cancer increases with the length and the number of cigarette smoking . If you quit smoking , even after smoking for many years , can significantly reduce the risk of developing lung cancer .

The symptoms

Lung cancer usually does not cause signs and symptoms at an early stage. The signs and symptoms of lung cancer typically occur only when the disease was late.

The signs and symptoms of lung cancer may include:

New cough that does not go away.

Changing patterns of chronic cough or "smoker's cough".

Coughing up blood, even a small amount.

Shortness of breath.

Chest pain.



And involuntary weight loss.

Bone pain.


Make an appointment with your doctor if you have any signs or symptoms of anxiety.

If you want to stop smoking and to reduce the risk of lung cancer, make an appointment with your doctor. Your doctor can recommend strategies, such as counseling, medication and nicotine replacement products.


Cigarette smoking causes the majority of lung cancers - both smokers and in people exposed to secondhand smoke . But lung cancer also occurs in people who never smoked and in those who have never prolonged exposure to cigarette smoke . In these cases , there may be no obvious cause of lung cancer . Doctors have identified factors that may increase the risk .

Treatments and drugs

The doctor choose a cancer treatment regimen based on several factors , such as overall health , type and stage of the cancer and preferences. This option typically includes one or more treatments , including surgery , chemotherapy , radiotherapy or treatment with targeted drugs .

In some cases , may choose not to undergo treatment. For example , can feel the side effects of the treatment will be higher than the potential benefits . Meanwhile the doctor may suggest comfort care to treat only the symptoms of the cancer causing , such as pain .


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