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In 2010, the investigators of the randomized National Lung Screening Trial (NLST) reported that annual screening with low-dose computed tomography (CT) reduced lung cancer mortality by 20% compared with screening with chest radiographs.1 Subsequently, several clinical practice guidelines recommended annual screening, and many insurers agreed to cover screening. Most recently, the US Preventive Services Task Force (USPSTF) recommended annual screening for 55- to 80-year-old individuals who had smoked at least 30 pack-years.2
Sox HC. Implementing Lung Cancer Screening Under MedicareThe Last Chance to Get It Right?. JAMA. 2014;312(12):1206–1207. doi:10.1001/jama.2014.12921