Smoking is the leading risk factor for lung cancer, but 20% of cases actually occur in non-smokers. On The Doctors, our Dr. Freda Lewis-Hall shares how our understanding of the disease – including risk factors, diagnosis, and potential treatments – has evolved in recent years.

Visit [ Ссылка ] to get answers to common questions about lung cancer. For more information on biomarker testing, visit lungcancerprofiles.com.

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