Figure 1.
Immunohistochemical staining. A: Positive (++) immunohistochemical staining for E-cad expression in non-cancerous epithelium; B: Negative (-) immunohistochemical staining for E-cad expression in cancerous lesion in diffuse type tumor.
Immunohistochemical staining. A: Positive (++) immunohistochemical staining for E-cad expression in non-cancerous epithelium; B: Negative (-) immunohistochemical staining for E-cad expression in cancerous lesion in diffuse type tumor.