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General purpose TPS are not designed to be used in small fields
Design performance tests to check the capability of the calculation
algorithms for small fields
Define the conditions for the test:
simple/baseline conditions
treatment plans
Select the data against which the TPS calculation will be compared
(reference data)
Measurements: detector/phantom
Calculation: other TPS/algorithm; MC...
Compare TPS calculation with the reference data;
Tolerance levels.
Small field dose calculation accuracy