Fig. 6

Excised specimen. a Partial mastectomy with adequate margins. b No significant findings on X-ray photography of the intraoperative specimen. c A 1.2-cm-diameter hypoechoic mass with ill-defined margins in the center of the specimen by intraoperative ultrasonography. d, e The well-defined 1.0- × 0.7-cm tumor was homogeneous and grayish on cut section