IMRT

Accuracy frame-based vs. frameless

1,50

1,00

0,50

Frame-based Frameless

0,00

Longitudinal Lateral

Vertical

-0,50 Average shift (mm)

-1,00

Overall 3D accuracy: 0.97 mm SD 0.24 mm (frame-based) 0.85 mm SD 0.52 mm (frameless)

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