Gynae BT 2017

Take home message: primary CTV

 Significant inter-fraction variations have been reported: 5-40mm  Uninvolved uterus is NOT the most critical target  Clinical practise:  ~15-20mm is common for CTV-T LR to PTV margin  Be aware of rectal filling at time of treatment planning! E.g. threshold of 40mm diameter of filling.

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