Anti-angiogenic therapy affects the relationship between tumor vascular structure and function: a correlation study between micro-CT angiography and DCE-MRI Eugene Kim 1 , Jana Kim 1 , Gunhild Mari Mælandsmo 2 , Berit Johansen 3 , Siver Andreas Moestue 1 1 Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, 7491 Trondheim, Norway 2 Department of Tumor Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, 0424 Oslo, Norway 3 Department of Biology, Norwegian University of Science and Technology, 7491 Trondheim, Norway Corresponding author: Eugene Kim MR Cancer Group Department of Circulation and Medical Imaging Norwegian University of Science and Technology P.O. Box 8905 7491 Trondheim Norway E-mail: eugene.kim@ntnu.no Phone: +47 73 59 86 37 Word count: 3714 Running title: Correlation between DCE-MRI and micro-CT angiography in a breast cancer xenograft model Keywords: anti-angiogenic therapy, DCE-MRI, micro-CT, tumor vasculature