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A correction has been published: N Engl J Med 2008;358(17):1862.

A correction has been published: N Engl J Med 2008;358(17):1875.

A correction has been published: N Engl J Med 2008;359(8):871.

Original Article
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Volume 355:1763-1771 October 26, 2006 Number 17
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Survival of Patients with Stage I Lung Cancer Detected on CT Screening
The International Early Lung Cancer Action Program Investigators

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ABSTRACT

Background The outcome among patients with clinical stage I cancer that is detected on annual screening using spiral computed tomography (CT) is unknown.

Methods In a large collaborative study, we screened 31,567 asymptomatic persons at risk for lung cancer using low-dose CT from 1993 through 2005, and from 1994 through 2005, 27,456 repeated screenings were performed 7 to 18 months after the previous screening. We estimated the 10-year lung-cancer–specific survival rate among participants with clinical stage I lung cancer that was detected on CT screening and diagnosed by biopsy, regardless of the type of treatment received, and among those who underwent surgical resection of clinical stage I cancer within 1 month. A pathology panel reviewed the surgical specimens obtained from participants who underwent resection.

Results Screening resulted in a diagnosis of lung cancer in 484 participants. Of these participants, 412 (85%) had clinical stage I lung cancer, and the estimated 10-year survival rate was 88% in this subgroup (95% confidence interval [CI], 84 to 91). Among the 302 participants with clinical stage I cancer who underwent surgical resection within 1 month after diagnosis, the survival rate was 92% (95% CI, 88 to 95). The 8 participants with clinical stage I cancer who did not receive treatment died within 5 years after diagnosis.

Conclusions Annual spiral CT screening can detect lung cancer that is curable.


Source Information

The members of the Writing Committee (Claudia I. Henschke, M.D., Ph.D., David F. Yankelevitz, M.D., Daniel M. Libby, M.D., Mark W. Pasmantier, M.D., and James P. Smith, M.D., New York Presbyterian Hospital–Weill Medical College of Cornell University, New York; and Olli S. Miettinen, M.D., Ph.D., McGill University, Montreal) of the International Early Lung Cancer Action Program assume responsibility for the overall content and integrity of the article.

Address reprint requests to Dr. Henschke at New York Presbyterian Hospital–Weill Medical College of Cornell University, 525 E. 168th St., New York, NY 10021, or at chensch{at}med.cornell.edu.

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Related Letters:

CT Screening for Lung Cancer
Gould M. K., Berg C. D., Aberle D. R., the National Lung Screening Trial Executive Committee , Bach P. B., Kulaga S., Karp I., Yee A. J., Lynch T. J., Silvestri G. A., Miller A., Markowitz S., Miller J. A., Lee P., Postmus P. E., Sutedja T. G., Dehavenon A., Henschke C. I., Smith J. P., Miettinen O. S.
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N Engl J Med 2007; 356:743-747, Feb 15, 2007. Correspondence

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