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Brian Vastag

JAMA. 2002;288:1705-1706.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

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.

Lung cancer kills about 150 000 people in the United States each year, more than cancers of the breast, prostate, and colon combined. With no proven early detection available, tumors are usually found at later stages, after symptoms appear and hopes for a cure are . . . [Full Text of this Article]

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