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Imaging Acquisition

Image Analysis and adaptation

Treatment delivery

Imaging Acquisition

Image Analysis and adaptation

Treatment

delivery

15% stability gain

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Ghilezan et al. IJROBP (62) 406-417, 2005: Probability of prostate shift > 3mm with filled rectum is 10% in 1min

Geometric instability in the pelvic region (prostate, rectal cancer treatment)

Poisson Model:

Ghilezan et al.

Treatment delivery times : susceptibility to intra-fraction motion