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Vintage style: direct use of dose profiles &
output factors
• Dose profiles reshaped using factors
deduced from first order, point source
fluence changes
• Workhorse in old time “2D” TPS and
some Monitor Unit Check programs
• OK for a limited set of field geometries
at non-violated equilibrium conditions,
e.g. stereotactical treatments
•
Breaks down for general
CRT/IMRT/VMAT conditions!