IMRT

Frameless: immobilization intrafraction

Analysis of intrafraction motion at end of treatment (15 min.):

2

Mean 3D of 0.58 mm (SD 0.42 mm)

1,5

1

Vertical Shift [mm] Longitudinal shift [mm] Lateral shift [mm] Vertical rotation [°] Longitudinal rotation [°] Lateral rotation [°]

0,5

0

-0,5

Intrafraction motion

-1

-1,5

Int. J. Radiation Oncology Biol. Phys. 2012;83(1):467-474

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