Fig. 2From: Primary undifferentiated pleomorphic sarcoma of the breast in a young female: a case reportUndifferentiated pleomorphic sarcoma of the breast showing vimentin positivity (a IHC, 10×). Negative for smooth muscle actin (b IHC, 10×), S-100 protein (c IHC, 10×), and cytokeratin (d IHC, 10×)Back to article page