C.8.19.6.7 X-Ray Object Thickness Macro
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##### C.8.19.6.7 X-Ray Object Thickness Macro

Table C.8.19.6-7 specifies the attributes containing the X-Ray Object Thickness Group macro.

Table C.8.19.6-7. X-Ray Object Thickness Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Object Thickness Sequence | (0018,9456) | 1 | Sequence containing object thickness for this frame. Only a single Item shall be included in this Sequence.
>Calculated Anatomy Thickness | (0018,9452) | 1 | The physical thickness in mm of the anatomic region of interest as specified in the Anatomic Region Sequence (0008,2218) in the direction of the center of the beam. ### Note The value takes in account the position relative to object and the X-Ray source - detector axis.

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