fig2

Figure 2. (A) Toluidine blue stain to demonstrate the invasive front (note mast cells are not seen at this magnification); (B) toluidine blue stain to show mast cells (×40). Arrows indicate the areas with mast cells while triangles show tumour nests; (C) immunohistochemical staining to show micro-vessels (×4) (golden brown color vessels ×10)