Fig. 4From: Microsatellite instability screening in colorectal carcinoma: immunohistochemical analysis of MMR proteins in correlation with clinicopathological features and Ki-67 protein expressionImmunohistochemistry for colorectal carcinoma patient. Tumor cells showing A: high nuclear expression of Ki-67(≥ 25%) and B: low nuclear expression of Ki-67 (< 25%) (× 200)Back to article page