Having the following signs and symptoms does not necessarily mean you have lung cancer. Most smokers experience these symptoms from time to time, so see your doctor to be sure.
* cough or a change in your existing cough
* coughing up blood (hemoptysis)
* constant tiredness
* general malaise
* loss of appetite
* weight loss
* pain in the chest
* shortness of breath
* hoarseness
* trouble swallowing
* pneumonia
In Japan, Iressa has been used for two years, but has been associated with lung toxicity, inflammation of the lungs and may cause difficulty in breathing, according to the U.S. Food and Drug Administration
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