Signs of non-small cell lung cancer include a cough that doesnt go away and shortness of breath. Sometimes lung cancer does not cause any signs or symptoms. It may be found during a chest x-ray done for another condition. Signs and symptoms may be caused by lung cancer or by other conditions. Check with your doctor if you have any of the following: - Chest discomfort or pain. - A cough that doesnt go away or gets worse over time. - Trouble breathing. - Wheezing. - Blood in sputum (mucus coughed up from the lungs). - Hoarseness. - Loss of appetite. - Weight loss for no known reason. - Feeling very tired. - Trouble swallowing. - Swelling in the face and/or veins in the neck. 
What are the symptoms of Non-Small Cell Lung Cancer ?