Fig. 3

A large left breast mass in an 82-year-old woman with mesenchymal differentiation subtype. a The craniocaudal view of mammogram shows a rounded, dense mass with circumscribed margins and mild periareolar skin thickening. b The ultrasound shows an irregular shaped mass with indistinct margins along with complex echotexture and posterior enhancement. c The pathology shows a metaplastic carcinoma with mesenchymal differentiation showing prominent multinucleated giant cells