Phase Lag Measurements of Abdominal Organs Relative to An External Marker Block Using Retrospective 4D CT Imaging
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E Brandner*1, A Wu2, H Chen1, D Heron1, K Komanduri1, S Kalnicki1, K Gerszten1, S Burton1, (1) University of Pittsburgh Medical Center, Pittsburgh, PA, UPMC Shadyside, Pittsburgh, PA, (2) Thoms Jefferson Unviersity, Philadelphia, PA