Table 8.

Answer Key actions.

Action	Description
tag_retained	The tag itself is retained and present in the DICOM dataset
text_notnull	The value of the tag is not null or zero length value
text_retained	The text specified was retained in the tag value
text_removed	The test specified was removed from the tag value
date_shifted	The date was shifted using the specified shift value
uid_changed	The UID was updated according to curation crosswalk
pixels_hidden	The pixels within coordinates specified are hidden

This table lists the actions used in the answer key to do the comparisons. Various actions were used such as tag retained to ensure a tag is not removed and date shifted to check whether a date was shifted using a particular shift value.