Merge pull request #271839 from shellyhaverkamp/smh-dicom-rn

adds Upsert

Author: prmerger-automator[bot]

articles/healthcare-apis/release-notes-2024.md

@@ -17,6 +17,12 @@ This article describes features, enhancements, and bug fixes released in 2024 fo
 
 ## April 2024
 
+### DICOM service
+
+#### Enhanced Upsert operation
+
+The enhanced Upsert operation provides the ability to upload a DICOM image to the server and seamlessly replace it if it already exists. Before this enhancement, users had to perform a Delete operation followed by a STOW-RS to achieve the same result. With the enhanced Upsert operation, managing DICOM images is more efficient and streamlined.
+
 ### FHIR service
 
 #### The bulk delete operation is generally available