Lung cancer is the most common type of cancer in the world. It usually doesn't create symptoms until it enlarges in the lung or spreads to other parts of the body. Smoking is the most significant risk factor, however, it can also affect non-smokers.
Common symptoms of lung cancer
- Shortness of breath
- Coughing up blood
- Respiratory infection
- Weight loss
- Pain in chest, shoulder, or back.
The most prevalent causes of lung cancer
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