"",1 "", Colon Sub-screening (colo_scrsub) Data Dictionary, TABLE OF CONTENTS, Document Summary ...................................................................................................................................................... 2, Colon Sub-screening (colo_scrsub): Data Dictionary ..................................................................................................... 3, Section 1: Identif iers ........................................................................................................................................... 3, Section 2: Abnormali ty ........................................................................................................................................ 4, "", Colon Sub-screening (colo_scrsub): Data Dictionary, 04/20/2022,