The Modality LUT, VOI LUT, Graphic Annotation and Overlay Modules shall not be present.
The Curve Module was previously include in the list of Modules that shall not be present, but has been retired from DICOM. It is still not permitted to be present. See PS3.3-2004.
The Defined Context Group for Anatomic Region Sequence (0008,2218) shall be CID 4040 “Endoscopy Anatomic Regions”.