Fig. 6.
A case of architectural distortion on mammography. a Mammography: architectural distortion, SMC 4. b Ultrasound: irregular, not circumscribed, and not parallel to the skin with interruption of the anterior border of the mammary gland and halo sign. Typical findings of invasive cancer, SUC 5. The overall assessment category: SC 5. Histopathology: invasive ductal carcinoma (SMC screening mammography category, SUC screening ultrasound category, SC screening category)