A.19.3 RT Structure Set IOD Module Table
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### A.19.3 RT Structure Set IOD Module Table

Table A.19.3-1. RT Structure Set IOD Modules

IE | Module | Reference | Usage
--- | --- | --- | ---
Patient | Patient | C.7.1.1 | M
Clinical Trial Subject | C.7.1.3 | U
Study | General Study | C.7.2.1 | M
Patient Study | C.7.2.2 | U
Clinical Trial Study | C.7.2.3 | U
Series | RT Series | C.8.8.1 | M
Clinical Trial Series | C.7.3.2 | U
Equipment | General Equipment | C.7.5.1 | M
Frame of Reference | Frame of Reference | C.7.4.1 | U - See note 2.
Structure Set | Structure Set | C.8.8.5 | M
ROI Contour | C.8.8.6 | M
RT ROI Observations | C.8.8.8 | M
Approval | C.8.8.16 | U
SOP Common | C.12.1 | M
Common Instance Reference | C.12.2 | U

### Note

1. The Audio Module was previously included in this IOD but has been retired. See PS3.3-2004.

2. Previously the Frame of Reference Module was not included (see PS3.3-2014b). Historically, more than one Frame of Reference could be referenced within the Structure Set Module’s Referenced Frame of Reference Sequence (3006,0010), in which case the Frame of Reference Module would not have been present.

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