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This collection is made available from the Walter Reed Army Medical Center Virtual Colonoscopy Collection in collaboration with National Cancer Institute, NIH: If you use this data or images from this web site in publications, research manuscripts, proposals, or other technical documents, you must acknowledge that the data has been provided courtesy of Dr. Richard Choi, Virtual Colonoscopy Center, Walter Reed Army Medical Center.

Curation Notes

Sept 22, 2009

Data redundancy issue found and corrected:

SD VC-129M v. SD VC-127M
SD VC-318M v. SD VC-316M
SD VC-476M v. SD VC-475M
WRAMC VC-154M v. WRAMC VC-107M
WRAMC VC-268M v. WRAMC VC-267M

The patients in the above patient id pairs,
1. Both are visible
2. Both have the same number of study/series, and same study instance UID and series instance UIDs
3. Both have curation data (from uploaded spreadsheet) except SD VC-475M
4. Both curation data have similar CDE with different values

What we have done is to removed the second case in each pair and their data to reduce the duplication. In addition, all 10 patient's data are stored separately off-line.