# Introduction
This document is a DICOM Conformance Statement of SonicDICOM PACS, stating consistency with conformance to the DICOM standard.
# Revision History
| Revision | Date | Description |
|---|---|---|
| 1.0 | 2013/11/25 | Initial version |
| 2.0 | 2016/04/21 | Added Patient Root Query/Retrieve |
| 3.0 | 2018/04/23 | Changed Implementation Class UID Added items to Presentation Context of Storage |