Figure 1: A 58-year-old female with palpable mass in the right breast diagnosed as spindle cell type metaplastic carcinoma: (a) Photomicrograph (H and E, high-power magnification) shows a moderately cellular spindle lesion with elongated spindle cells, bland cytologic features, and squamous cell nest (red arrow)indicating differentiation. (b) Photomicrograph (immunoperoxidase AE1/AE3).