< Back to All Videos thirdAGE > Ever Wonder How Lung Cancer is Detected? Up Next... 10 Diet and Colon Cancer Risk Diet and Colon Cancer Risk E-cigarettes and Heart Health Marijuana and Cancer Loading the player ... Cancer Ever Wonder How Lung Cancer is Detected? Simple blood test shows promise in detecting early-stage lung cancer, study finds. Related Videos Diet and Colon Cancer Risk E-cigarettes and Heart Health Marijuana and Cancer Diagnosing Breast Cancer