Gynae BT 2017

Conclusions for target contouring

GTV, CTV, ITV concept is complex

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• CTV consists of primary tumor and nodal components

• International consensus exists for contouring guidelines with small matters of debate

• ITV concept is developed to account for target and OAR motion and deformation

ITV-T can be individualized

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Nodes move a little, too!

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• Position verification issues will be addressed later!!