DICOM TID 2002 Report Narrative specifies that sections contain imaging report elements of type CODE, TEXT, IMAGE, or NUM.

Section/text in the CDA document contains the narrative text (attested content) of the document. Section/text shall be generated from all the Content Items subsidiary to a section CONTAINER of the SR document, such that the full meaning is be conveyed in an unambiguous manner in the narrative block.

The narrative rendered from each Content Item shall be encapsulated in a <content> element of the narrative block, allowing the associated entry to reference it.