RAD-69 response model incorrect

There are two issues with the RAD-69 response validation model.

The first is that it tries to look for an element "urn:ihe:rad:xdsi-b:2009:RetrieveDocumentSetResponse" in the message. The message element should be a "urn:ihe:iti:xds-b:2007:RetrieveDocumentSetResponse", since the response is the ITI Retrieve Document Set response.

This leads to the second issue... there is no need to validate a RAD-69 response, you can reuse the existing ITI Retrieve Document Set response. I suggest removing the RAD-69 response entry, or wiring it to the ITI-43 model.