Discovery of the Piezoelectric Phenomenon: Curie and Langevin -- A Review of Theoretical and Experimental Aspects of Imaging the Elastic Attributes of Tissue In Vivo -- In Vivo Breast Examination by Real-Time Freehand Elasticity Imaging System -- Usefulness of Ultrasonic Strain Measurement-Based Mechanical Properties Imaging Technique: Toward Realization of Short-Time Diagnosis/Treatment -- Mass Detection Using a Texture Feature Coding Method -- Breast Tissue Assessments Based on High Order Mechanical Properties -- Forms of Tumors -- Usefulness of Depth to Width Ratio in Differentiation of Regular Invasive Ductal Carcinoma from Fibroadenoma -- Margin, Border, and Boundary Zone of Breast Tumor Ultrasonography -- Revised Diagnostic Criteria for the Breast (Draft): Internal Echoes -- Incident Angle of the Plunging Artery of Breast Tumors -- Draft JSUM Diagnostic Guidelines for Mass Image-Forming Lesions -- Draft Diagnostic Guidelines for Non-Mass Image-Forming Lesions by the Japan Association of Breast and Thyroid Sonology (JABTS) and the Japan Society of Ultrasonics in Medicine -- JABTS Breast Ultrasound Training Course: Program and Results -- Ductal Carcinoma In Situ of the Breast: The Pathological Reason for the Diversity of Its Clinical Imaging -- Ductal Carcinoma In Situ (DCIS): Incidence, Prognosis, and Diagnostic Aspects of Mammography, Galactography, and Needle Biopsies -- The Ultrasonic Diagnosis of Nonpalpable DCIS Without Calcification on MMG and Nipple Discharge: Advocacy of a New Term, 3 Non-DCIS -- Ultrasonic Diagnosis of Non-Mass Image-Forming Breast Cancer -- Characteristic Mammography and Ultrasonography Findings of Ductal Carcinoma In Situ of the Breast Arising in Sclerosing Adenosis -- Preoperative Ultrasonic Assessment for Breast-Conserving Treatment -- Recent Advances in Multidimensional 3D/4D Breast Imaging -- 3D Ultrasound-Based Evaluation of Lesions in the Uncompressed Breast -- The Role of Ultrasound in Population-Based Breast Cancer Screening Programs -- Breast Cancer Screening by Palpation, Ultrasound, and Mammography -- A Review of Breast Cancer Undetectable by Ultrasonography in a Screening Setting -- Ultrasonic Screening of the Thyroid in Patients with Breast Complaints -- Phantom and Human Experiments for Breast Cancer Detection by Ultrasound Transmission Technique -- Breast Cancer Ablation: Imaging and Early Experience -- US-Guided Mammotome Biopsy of Breast Masses in Comparison with US-Guided Aspiration Biopsy Cytology -- Ultrasonographic Appearance and Clinical Implication of Bilateral Breast Infiltration with Leukemia Cells -- Analysis of Ultrasonographic Findings of Breast Masses by the Nagasawa Computer-Aided Diagnosis System -- Dorsal Growth of Breast Cancer May Correlate with the Prognosis.