Screening for lung cancer

Cigarette smoking is the most well-known risk factor associated with lung cancer, but this cancer occurs in those who have never smoked. What are the other risk factors? Who is at risk? Who should you be screened for this particularly dangerous type of cancer and how should those at risk be screened?HOST: Prentiss Pemberton
GUEST:
Marge Stoneking, executive director, American Lung Association in Alaska
Richard Chung, MD, radiation oncologist, Anchorage and Valley Radiati