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(a) Standard deviation of the dose variation (DVSD-DVH) and weekly dose variation (DVweekly) for the multi-field optimized plan (MFO-PTV) and the robust-optimized MFO (MFO-RO) plan evaluated for each patient. (b) Equivalent uniform dose (EUD) variation for the internal target volume (ITV) for different patients (shown in different colors) on the MFO-RO plans (solid lines) and MFO-PTV plans (dashed lines) as a function of time. X indicates adaptive planning.
