Fig. 2From: Feasibility of postoperative spine stereotactic body radiation therapy in proximity of carbon and titanium hybrid implants using a robotic radiotherapy devicea A schematic view of the slab phantom with the epoxy slab in grey and the CFP-T implant in black. b, c The contoured PTVs of the anthropomorphic phantom (red), the spinal cord (yellow), the high density components (green) and bony areas (blue) for PTV1 (b) and PTV2(c), respectively. The red dashed lines on all images indicate the planes where film measurements were carried outBack to article page