A slight trend towards larger contours during treatment was seen with a median (range) relative volume difference between first and subsequent fractions of radiographers’ and clinicians’ contours of 4.2 % (-3.5 % to 17.7 %) and −0.13 % (-16 % to 22.1 %) respectively.
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Evaluation of therapeutic radiographer contouring for magnetic resonance image guided online adaptive prostate radiotherapy.
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