title: Measurement of ultrasonic attenuation within regions selected from B-scan images.
mesh_terms: D001940:Breast / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008433:Mathematics; D008961:Models, Structural; D008962:Models, Theoretical; D055585:Physical Phenomena; D010825:Physics; D012542:Scattering, Radiation; D014463:Ultrasonography