Lung cancer is a malignant tumour that develops in the lungs.
Causes. Tobacco is the most important trigger. In fact, 90-95% of cases occur in smokers.
Risk factors. Regular smoking of cigarettes, cigars or pipes, exposure to air pollution.
Lung cancer produces no symptoms in the early stage. Consult your doctor.
Treatment. Lung cancer is often treated with a combination of different therapies such as surgery, chemotherapy or radiotherapy, or both, before or after surgery.

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