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Schema of dose accumulation comparisons to extract the contribution of geometric uncertainties on dose deviations: A. predicted 4D CT breathing dose (Dpred); B. full SBRT dose accumulation (Dacc); C. deformable interfraction accumulation with the 4D CT breathing motion applied; D. rigid interfraction accumulation with the 4D CT breathing motion applied; Morfeus=deformable registration. Rigid=liver-to-liver centre-of-mass registration. Fx=fractions.
