C.36.2.2.4 RT Treatment Position Macro

C.36.2.2.4 RT Treatment Position Macro (Current)
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Table C.36.2.2.4-1 specifies the Attributes of the RT Treatment Position Macro, which establish a connection between the patients geometry and the treatment delivery equipment to define the treatment position. When used in an RT Radiation object, this treatment position is the prescribed position. When used in an RT Radiation Record object, this treatment position is the record of the actual position during treatment delivery. When used in an Enhanced RT Image or Enhanced Continuous RT Image object, this position is the record of the actual position during acquisition.

Table C.36.2.2.4-1. RT Treatment Position Macro Attributes

Attribute Name	Tag	Type	Attribute Description
Include Table 10-15a “Patient Orientation and Equipment Relationship Macro Attributes”.
Treatment Position Sequence	(300A,063F)	1C	Patient positions during treatment, being prescribed or recorded. Required if SOP Class UID is not RT Radiation Salvage Record Storage ("1.2.840.10008.5.1.4.1.1.481.17"), and SOP Class UID is not Enhanced RT Image (“1.2.840.10008.5.1.4.1.1.481.23”), and SOP Class UID is not Enhanced Continuous RT Image (“1.2.840.10008.5.1.4.1.1.481.24”). May be present otherwise. One or more Items shall be included in this Sequence.
>Treatment Position Index	(300A,0606)	1	Index of this Item in this Sequence. The value shall start at 1 and increase monotonically by 1.
>Include Table 10.39-1 “Patient to Equipment Relationship Macro Attributes”.			DCID 9553 “Treatment Point”.

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