Sponsored by the National cancer Institute, part of the National Institutes of Health, the NLST establishes low-dose spiral CT as the first validated screening test that reduces lung cancer mortality.
NLST由国家癌症研究所(国家健康研究所的一部分)发起，证实了低剂量螺旋CT成像是第一种可以降低肺癌死亡率的扫描检查。
Background: There has been resurgence of interest in lung cancer screening using low-dose computed tomography. The implications of directing a screening programme at smokers has been little explored.
背景：用计算机体层摄影术对肺癌的筛选有着复活再现的兴趣。这意味着对于吸烟者进行直接筛选的规划要付出一点冒险。
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