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Numbers of Images
LSS: 48,534 546 CT exams (~12 million images); 12,230,145 images from 17,043 participants.
ACRIN: xx16,xxx 532 CT exams (~ X million images) as ; 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.
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