Fig. 3From: Primary sarcomatoid urothelial carcinoma of the ureter: a case report and review of the literatureImmunohistochemical staining showing positivity for cytokeratin (a, × 200), carcinoembryonic antigen (b, × 200), vimentin (c, × 200), GATA (d, × 200), CKH (e, × 200), epithelial membrane antigen (f, × 400) in the tumour cells. A high proliferation index of the tumour components as shown by Ki-67 reactivity (g, × 200)Back to article page