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Goal of dynamic tracking as compared
to the ITV approach
26
DRIFT
2) Real-time adaptation of periodic breathing motion and
systematic drifts in patients with a variable and unpredictable
magnitude of motion
(
lower lobe tumors and patients with poor pulmonary function*)
3) Increased efficiency of respiratory correlated treatments (as compared to gating)
*Guckenberger et al, IJROBP 2007