New noninvasive screening technologies are poised to improve the diagnostic yield of advanced imaging in lung cancer and, by so doing, improve patient outcomes, according to Dr. Paul A. Bunn Jr.A blood test for detecting genetic mutations in circulating tumor cells of lung cancer specimens and a colorimetric sensor array that identifies cancerous compounds in exhaled human breath are among the technologies that could lead to earlier diagnosis and treatment, said Dr. Bunn, executive director of the...