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KMID : 0383820140770020055
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Tuberculosis and Respiratory Diseases
2014 Volume.77 No. 2 p.55 ~ p.59
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Lung Cancer Screening: Subsequent Evidences of National Lung Screening Trial
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Park Young-Sik
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Abstract
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The US National Lung Screening Trial (NLST) demonstrated a 20% reduction in lung cancer mortality and a 6.7% decrease in all-cause mortality. The NLST is the only trial showing positive results in a high-risk population, such as in patients with old age and heavy ever smokers. Lung cancer screening using a low-dose chest computed tomography might be beneficial for the high-risk group. However, there may also be potential adverse outcomes in terms of over diagnosis, bias and cost-effectiveness. Until now, lung cancer screening remains controversial. In this review, we wish to discuss the evolution of lung cancer screening and summarize existing evidences and recommendations.
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KEYWORD
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Lung Neoplasms, Early Detection of Cancer, Tomography, X-Ray Computed, Thorax
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