Figure 1From: Prognostic influence of cyclooxygenase-2 protein and mRNA expression in node-negative breast cancer patients Representative examples of COX-2 immunohistochemistry in breast carcinoma specimens, A: Staining Intensity (SI) score 0 (absent), B: SI score 1 (weak), C: SI score 2 (moderate), D: SI score 3 (strong); (original magnification: 400-fold). Back to article page