Figure 2: a: Microphotograph shows in situ duct like structures and infiltrative trabeculae, sheets with hyalinization and fibrosis in the stroma (H&E stain 100X). b: High power view shows marked pleomorphism , prominent nucleoli and mitotic figures (H&E stain 400X). c: Poorly differentiated component of the tumor with perineural invasion (arrow) (H&E stain 200X). d: Immunohistochemical staining showing positivity for epithelial membrane antigen (200X).