"Exhaled breath contains carbonyl volatile organic compounds (VOCs) that can be used as an adjunct to computed tomography (CT) scans in the diagnosis of lung cancer, according to a new study. The breath test could help distinguish between benign and malignant nodules.
" 'The analysis of exhaled breath is a promising noninvasive tool for diagnosis of early lung cancer,” wrote study authors led by Michael Bousamra, MD, of the University of Louisville, in an abstract presented in January at the annual meeting of the Society of Thoracic Surgeons. “Previous techniques have not achieved clinical significance due to a lack of specificity and difficulties related to complex volatile mixtures.' "