1. Document
     Diagnostic Imaging Report (2.16.840.1.113883.10.20.22.1.5)
    1. *
       Physician Reading Study Performer (2.16.840.1.113883.10.20.6.2.1)
    2. *
       Physician of Record Participant (2.16.840.1.113883.10.20.6.2.2)
    3. Entry
       Procedure Context (2.16.840.1.113883.10.20.6.2.5)
    4. Section
       Fetus Subject Context (2.16.840.1.113883.10.20.6.2.3)
    5. Section
       Findings Section (DIR) (2.16.840.1.113883.10.20.6.1.2)
    6. Section
       DICOM Object Catalog Section - DCM 121181 (2.16.840.1.113883.10.20.6.1.1)
      1. Entry
         Study Act (2.16.840.1.113883.10.20.6.2.6)
        1. Entry
           Series Act (2.16.840.1.113883.10.20.22.4.63)
          1. Entry
             SOP Instance Observation (2.16.840.1.113883.10.20.6.2.8)
            1. Entry
               Purpose of Reference Observation (2.16.840.1.113883.10.20.6.2.9)
            2. Entry
               Referenced Frames Observation (2.16.840.1.113883.10.20.6.2.10)
              1. Entry
                 Boundary Observation (2.16.840.1.113883.10.20.6.2.11)