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Figure 8
Results of the anisotropy parameter Ω for three example volumes of pancreatic tumor tissue. (a) Virtual slices (top) obtained from the parallel-beam configuration and corresponding anisotropy maps (bottom) for Volume (1), containing mostly healthy, glandular tissue (blue); Volume (2), containing partially tumorous tissue (yellow); and Volume (3), containing mostly tumorous tissue with intratumoral fibrosis (red). Note that the blue and yellow marked slices were chosen from the 3D reconstruction of Sample A, while the red marked slice was chosen from the 3D reconstruction of Sample B. (b) 3D visualization of the anisotropy parameter Ω of Sample A (left) and Sample B (right). Blue, yellow and red frames mark the positions of the corresponding slices in (a). (c) Histograms of the three anisotropy volumes. Ω values of the histograms increase with the presence of collagen fibers inside the volume. Scale bars: 100 µm.

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