A.49 RT Ion Plan IOD
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## A.49 RT Ion Plan IOD

### A.49.1 IOD Description

The focus for this Radiotherapy Ion Plan IOD (RT Ion Plan IOD) is to address the requirements for transfer of treatment plans generated by manual entry, a virtual simulation system, or a treatment planning system before or during a course of Ion therapy treatment. Such plans may contain fractionation information, and define Ion beams.

### A.49.2 IOD Modules

Table A.49-1 identifies and defines the Modules that comprise this IOD. Modules listed are either mandatory or optional as specified in PS3.4. Mandatory Modules contain Attributes that are included in all SOP Instances employing this IOD.

Table A.49-1. RT Ion Plan 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
Frame of Reference | Frame of Reference | C.7.4.1 | M
Equipment | General Equipment | C.7.5.1 | M
Plan | RT General Plan | C.8.8.9 | M
RT Prescription | C.8.8.10 | U
RT Ion Tolerance Tables | C.8.8.24 | U
RT Patient Setup | C.8.8.12 | U
RT Fraction Scheme | C.8.8.13 | U
RT Ion Beams | C.8.8.25 | C - Required if RT Fraction Scheme Module is included and Number of Beams (300A,0080) is greater than zero for one or more fraction groups
Approval | C.8.8.16 | U
SOP Common | C.12.1 | M
Common Instance Reference | C.12.2 | U

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