Photomicrograph showing (a)Tumour cells arranged in nodule separated by fibrous septae, H&E, 40X. (b) Benign spindle-stellate cells in myxoid background H&E,100X. (c) Round to oval cells along with spindle cells against a myxoid background H&E,400X. (d) Tumour cells showing S100 expression in nucleus and cytoplasm S100,400X