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Table 2 3D set-up errors (bone registration), tumor position errors (based on IG-4D) and tumor base-line shifts relative to the bony anatomy

From: Accuracy and inter-observer variability of 3D versus 4D cone-beam CT based image-guidance in SBRT for lung tumors

  Average Standard deviation Minimum Maximum
3D Set-up errors [mm] 7.0 ±2.4 2.3 10.7
3D Tumor position errors [mm] 8.6 ±4.4 2.3 20.9
3D Tumor base-line shifts [mm] 4.9 ±4.9 2.0 18.9