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(a) The CIRS phantom was 3D printed from a computational breast model. (b) The Gammex 169 phantom was derived from an actual patient’s mammogram. There are test patterns adjacent to the phantom; these were not analyzed for the purpose of this study. (c) The breast area was partitioned into a lattice of square windows (6.3 mm × 6.3 mm) for calculation of radiomic features. Although these calculations were done in raw DM images, processed DM images are shown.
