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Medical News & Perspectives
October 9, 2002

Lung Screening Study to Test Popular CT Scans

JAMA. 2002;288(14):1705-1706. doi:10.1001/jama.288.14.1705

Bethesda, Md—In the context of increasing concern about the effectiveness of screening for breast and prostate cancers, the National Cancer Institute (NCI) is launching a $200 million study of early lung cancer detection that should provide the kind of definitive evidence of value (or no value) currently lacking for mammography and prostate-specific antigen tests. The 8-year National Lung Screening Trial is designed to determine whether annual low-dose spiral computed tomographic (CT) scans decrease the rates of premature death from lung cancer in 50 000 smokers and former smokers. Various studies have estimated that more than 85% of all lung cancers are caused by smoking.