The following page describes the hierarchy of data used to manage patient data records within the Astroid planning environment.

• Patient
  • Course [0,1,…,N]
    • Course data stuff here
    • Intent [0,1,…,N]
      • Intent data stuff here
      • Directive [0,1,…,N]
        • Clinical Goals
          • Clinical Goals data stuff here
        • Phase
          • Prescription
            • Prescription data stuff here
        • Conceptual Structure List [0,1,…,N]
        • Conceptual Point List [0,1,…,N]
        • Snapshot [0,1,…,N]
          • Imaging Data
          • Structure Data [0,1,…,N]
            • Active Variant
            • Variant List [0,1,…,N]
          • Request [0,1,…,N]
            • Plans [0,1,…,N]
              • Image Calibration
              • Points [0,1,…,N]
              • Structures [0,1,…,N]
              • Calculation Grid
              • Treatment Room
              • Beams [1,…,N]
                • Snout
                • Devices & Spot Options
                • DRRs
              • Fraction Groups [1,…,N]
                • Target
                • Constraint [0,1,…,N]
                • Target Dose Constraints [1,…,N]
                  • Target
                  • Constraint [0,1,…,N]
                  • Beamset [1,…,N]
                    • Constraint [0,1,…,N]
                    • Beam [1,…,N]
              • Constraints [0,1,…,N]
              • Objectives [0,1,…,N]
              • Dose Results

• Patient
  • A person receiving medical treatment.
• Course:
  • A prescribed regimen to be followed for a specific period of time.
• Intent:
  • The purpose of the treatment.
• Directive:
  • The prescription for the course of treatment.
• Snapshot:
  • Overview of targets and organs at risk.
• Request:
  • The date of implementation of the number of fractions. Can be all fractions or a specific number of fractions.
• Plan:
  • All aspects of the patient planning take place here. Such as patient geometry, calcualtion grid, beams and optimization.