A chronic, persistent cough does not resolve and may seem like it has no cause. This is one of the most common signs of lung cancer that some estimates indicate affects as many as 86% of lung cancer patients. While a cough is usually the body's way of clearing an obstruction, someone with lung cancer may have tumor tissue stimulating the same reaction.
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.