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Table 1 Displacement of targets from their original positions after rotation in mm

From: Combined effect of dose gradient and rotational error on prescribed dose coverage for single isocenter multiple brain metastases in frameless stereotactic radiotherapy

  T1cm T1.5 cm T2cm
3Dr2.5rot0.5 0.3 0.4 0.2
3Dr2.5rot1 0.5 0.5 0.3
3Dr2.5rot2 1.0 1.3 0.8
3Dr5rot0.5 0.5 0.7 0.3
3Dr5rot1 1.3 1.0 0.7
3Dr5rot2 2.2 2.0 1.5
AXr2.5rot0.5 0.2 0.4 0.3
AXr2.5rot1 0.4 0.4 0.4
AXr2.5rot2 0.9 0.9 0.9
AXr5rot0.5 0.4 0.5 0.4
AXr5rot1 0.8 0.8 0.8
AXr5rot2 1.8 1.7 1.6
  1. 3D for three-dimensional rotation and AX for axial rotation