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Biomarkers for Lung Cancer Screening and Detection

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Lung cancer is the leading worldwide cause of cancer mortality, as it is often detected at an advanced stage. Since 2011, low-dose CT scan-based screening has promised a 20% reduction in lung cancer mortality. However, effectiveness of screening has been limited by eligibility only for a high-risk population of heavy smokers and a large number of false positives generated by CT. Biomarkers have tremendous potential to improve early detection of lung cancer by refining lung cancer risk, stratifying positive CT scans, and categorizing intermediate-risk pulmonary nodules. Three biomarker tests (Early CDT-Lung, Nodify XL2, Percepta) have undergone extensive validation and are available to the clinician. The authors discuss these tests, with their clinical applicability and limitations, current ongoing evaluation, and future directions for biomarkers in lung cancer screening and detection.




Ostrin, E. J., Sidransky, D., Spira, A., & Hanash, S. M. (2020, December 1). Biomarkers for Lung Cancer Screening and Detection. Cancer Epidemiology Biomarkers and Prevention. American Association for Cancer Research Inc.

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