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Step 1
Shortness of breath, wheezing and chest pain are signs of lung cancer.Shortness of breath occurs when the cancer tumors block passage of air into the lungs and prevent adequate gas exchange. Wheezing can occur when the airways are reduced in size by spreading cancerous tumors
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Step 2
A cough that does not go away can signal lung cancer. A new cough in a smoker or former can also indicate lung cancer.If you notice any new cough after you have stopped smoking, do not ignore it, inform your doctor.
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Step 3
Couging up blood even in small amounts can be a sign of lung cancer. The doctor should be informed immediately when you cough up blood.











