Finds all instances that match the specified search criteria.
patientId
The Patient ID for which to search.
studyInstanceUid
The Study Instance UID (Unique ID) for the study.
seriesInstanceUid
The Series Instance UID (Unique ID) for the series.
instances
List of InstanceInfo objects that will be updated with the results of the search.
A ControllerReturnCode value indicating the results of the search.