Fig. 4From: Primary osteosarcoma of the breast after complete resection of a metaplastic ossification: a case reporta-d Excision specimen, histological pictures. a Benign lesion after the core biopsy has been gained. The resorptive connective tissue to the left is seen. Hematoxylin and eosin, 40×. b and c: like (a). Hematoxylin and eosin, 60×. d Tumor-free resection margin. The ink is seen at the bottom. Hematoxylin and eosin, 10×Back to article page