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As describes in Default Service section, the FHIR resources which contain "RAD" as "serviceCategory" will be handle by the Radiology Service.

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Radiology Service handler is handling incoming request in a different manner. When I get the RadiologyHandler gets a GET request, first it 'll search searches for matching resource in the OpenMRS storage. If it's not able to find the given resource, then OpenMRS FHIR module will make makes client request to a specified external FHIR server and store received retrieve matching FHIR DiagnosticReports in  OpenMRS storage and response back to the user with received FHIR DiagnosticReports.

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Result field can contain zero to many Observations. These FHIR Observations can map into OpenMRS Obs. In order to store multiple Obs, it uses Obs Groups.

ImagingStudy > Obs Group

ImagingStudy field can contain zero to many Observations. These FHIR ImagingStudy can map into OpenMRS Obs. In order to store multiple Obs, it uses Obs Groups.

ImagingStudy (Obs) 0..*
  - Patient : Person
  - uid : uuid
  - accession : AccessionNumber
  - numberOfSeries : Get Size of Series of Obs
  - numberOfInstance : ? Answer to the concept
  - clinicalInformation : comment
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  |--> Series (Obs) 0..*
         - modality : ?
         - uid : uuid
         - numberOfInstances: ? Answer ot the concept
         - url : comment
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          |--> Instance (Obs) 0..*
                 - number : ?
                 - uid: uuid
                 - sopclass : ?
                 - type : ?
                 - title : ?
                 - content : Complex Obs

PresentedForm > Complex Obs

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