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Additional Contouring
•
Virtual contours used only in optimisation but
not
plan
evaluation
•
Ease the optimisation process/algorithm
•
How and when you use them will depend on the case and also
on your experience as a planner
Also what point of the optimisation process you are at for VMAT
Contouring
Additional
Contouring
Field Setup
Optimisation
Dose
Calculation
Plan
Evaluation