• Shi-Jun Zhao and Ning Wu.
• Department of Diagnostic Radiology, Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Beijing, China.
• Thorac Cancer. 2015 Jul 1; 6 (4): 385-9.

AbstractLung cancer is currently the leading cause of cancer-related death in China and western countries for both men and women. Overall, the five-year survival rate of lung cancer is approximately 15%, whereas the five-year survival for patients with surgically resected early-stage disease is 60-80%. Screening is conceptually a good strategy for reducing the mortality rate of lung cancer. Randomized controlled trials in the 1960s and 1970s found that chest radiographic screening did not result in a reduction in mortality for high-risk individuals. Recently published data from the National Lung Screening Trial (NLST) showed a 20% reduction in lung cancer mortality in subjects who underwent low-dose computed tomography (LDCT) screening compared to those randomized to conventional chest X-ray. The encouraging results of the NLST, however, could not be confirmed by the preliminary results of ongoing European trials. More results from European randomized controlled trials are expected in the next few years. Recently, a number of lung cancer screening studies using LDCT have been initiated in China. This article briefly summarizes the results of the current and previous lung cancer screening trials worldwide, and focuses on the current status of LDCT lung cancer screening in China.

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