Frequently Asked Questions on Topics for the Entire Family, for your health and well being and more! FAQs - Lung Cancer How common is lung cancer? What is lung cancer? What causes lung cancer? What are the symptoms of lung cancer? Am I at risk for developing lung cancer? What tests can be done to check for lung cancer? Why is early lung cancer screening important? If there is a subject you think we need in the FAQ section, please contact us and let us know!