1. Section
     Preoperative Diagnosis Section (2.16.840.1.113883.10.20.22.2.34)
    1. Entry
       Preoperative Diagnosis (2.16.840.1.113883.10.20.22.4.65)
      1. Entry
         Problem Observation (2.16.840.1.113883.10.20.22.4.4)
        1. Entry
           Age Observation (2.16.840.1.113883.10.20.22.4.31)
        2. Entry
           Problem Status (2.16.840.1.113883.10.20.22.4.6)
        3. Entry
           Health Status Observation (2.16.840.1.113883.10.20.22.4.5)