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Purpose Todesignandconstructathree-dimensional(3D)anthropopathicabdominalphantomforgeometricanddose accumulationaccuracyvalidationofdeformableimageregistration(DIR)inadaptiveradiationtherapy(ART). Method Organmoulds,includingliver,kidney,spleen,stomach,vertebraandtwometastasistumors,are3Dprintedusing contoursfromanovariancancerpatient.