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. Author manuscript; available in PMC: 2022 Jan 26.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2021 Dec 31;69(1):135–146. doi: 10.1109/TUFFC.2021.3112544

Fig. 7.

Fig. 7.

Realization of a cross-sectional slice from four types breast. From left to right: the SOS (mm/μs) image, AA (Np/m/MHzy) image, and density (kg/m3) image. Tumor region is zoomed in. From up to bottom: (a) almost entirely fatty, (b) scattered areas of fibroglandular density, (c) heterogeneously dense, and (d) extremely dense.