DICOM PS3.4 2018b - Service Class Specifications

5.2 Sequences
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## 5.2 Sequences

Certain tables in this Part of the DICOM Standard denote a Sequence of Items by using the symbol: '>.'

In Annex A, '>' is used to identify a 'Sequence of Modules.' Nested Sequences of Modules are identified by '>>'. In Annex B and Annex C, '>' is used to identify a 'Sequence of Attributes'. See PS3.5 for the complete specification of how Sequences of Items shall be encoded.

### Note

Information Object Definitions (IODs) that include the Sequence of Module construct are often called folders. The use of 'Sequences of Attributes' is not limited to 'Folders.'

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DICOM PS3.4 2018b - Service Class Specifications