David M. Eddy, MD, PhD
To the Editor: Two letters commenting on my article on lung cancer screening (1) raise specific points that deserve further discussion. First, I disagree with Drs. Melamed and Flehinger (2) that all three of the National Cancer Institute-(NCI) sponsored trials were designed only to assess the value of sputum cytology when added to chest roentgenograms. The Mayo Lung Project compared one group screened with chest roentgenograms and sputum cytology delivered every 4 months with a control group not offered any active screening. (Some might have received screening outside the trial.) This point is important; it means that the Mayo Lung
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Eddy DM. Screening for Lung Cancer. Ann Intern Med. 1990;112:73–74. doi: 10.7326/0003-4819-112-1-73
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Published: Ann Intern Med. 1990;112(1):73-74.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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