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  • NLST CT Images -- General Details

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  • LSS: 48,546 CT exams; 12,230,145 images from 17,043 participants. 
  • ACRIN : 16,532 CT exams; 5,556,655 images from 6,746 participants as of 10/29/2012.  ACRIN images are still being loaded and curated; completion expected late November, 2012. To date, only the CT exams collected on Siemens scanners have been curated and made available:  6,524 studies; 2,482,049 images.
Dates (Study Dates)

The Study Dates are fictitious.  While appearing real, they are coded to represent the 3 screening years:

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