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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Ultrason Imaging. 2013 Apr;35(2):146–161. doi: 10.1177/0161734613480281

Figure 2.

Figure 2

Total attenuation (product of the slope of the attenuation coefficient vs. frequency and lesion dimension) in each mass, categorized according to its BI-RADS descriptor, “posterior acoustic features.”