Fig. 2From: A comparative study based on deformable image registration of the target volumes for external-beam partial breast irradiation defined using preoperative prone magnetic resonance imaging and postoperative prone computed tomography imagingThe picture of DIR based on the thorax and DIR based on the center-coincidence of the GTVpreMR - GTVpostCT (a based on the thorax; b based on the center-coincidence of the GTVpreMR -GTVpostCT)Back to article page