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Elastographic images in the liver. Near field, the region at 5–10 mm depth from the liver capsule, has uniform blue color in the color map and contour lines with constant intervals in the propagation map. Far field, the region at 10–15 mm depth from the liver capsule, appeared heterogeneously in the color map with focal green color (long arrow) and block spots (short arrow) presenting signal void and distorted contour lines in the propagation map.
