Figure 1From: The oncoprotein and stem cell renewal factor BMI1 associates with poor clinical outcome in oesophageal cancer patients undergoing preoperative chemoradiotherapy Immunohistochemical detection of BMI1 in ESCC specimens. A. Strong expression of BMI1 (A-1; ×10, A-2; ×40). B. Null expression of BMI1 (B-1; ×10, B-2; ×40). Bars indicate 100 μm.Back to article page