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Figure 4: Tissue microarray-based immunohistochemistry for OPCML. (a) A representative section of tissue microarray slide is showing array of esophageal squamous cell carcinoma tissues with cytoplasmic expression of OPCML. (b) Selected cores of tissue microarray are showing weak and strong cytoplasmic expression in esophageal squamous cell carcinoma. Green color arrow indicates weak expression in Grade 3 tumor, whereas red arrow designates Grade 2 tumor with strong expression. Zoom image of selected region from the core (inset)

Figure 4: Tissue microarray-based immunohistochemistry for OPCML. (a) A representative section of tissue microarray slide is showing array of esophageal squamous cell carcinoma tissues with cytoplasmic expression of OPCML. (b) Selected cores of tissue microarray are showing weak and strong cytoplasmic expression in esophageal squamous cell carcinoma. Green color arrow indicates weak expression in Grade 3 tumor, whereas red arrow designates Grade 2 tumor with strong expression. Zoom image of selected region from the core (inset)