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  Indian J Med Microbiol
 

Figure 1: (a) Immunohistochemical staining of urothelial carcinoma of urinary bladder showing complete negative staining for human epidermal growth factor receptor 2 protein expression (×40), (b) immunohistochemical staining of urothelial carcinoma of urinary bladder showing complete negative staining for human epidermal growth factor receptor 2 protein expression (×100), (c) immunohistochemical staining of malignant mammary epithelial cells showing strong and complete membrane staining for human epidermal growth factor receptor 2 protein overexpression (control) (×100), (d) Immunohistochemical staining of the urothelial carcinoma of urinary bladder showing strong and complete membrane staining for human epidermal growth factor receptor 2 protein overexpression in >10% of the tumour population (×100)

Figure 1: (a) Immunohistochemical staining of urothelial carcinoma of urinary bladder showing complete negative staining for human epidermal growth factor receptor 2 protein expression (×40), (b) immunohistochemical staining of urothelial carcinoma of urinary bladder showing complete negative staining for human epidermal growth factor receptor 2 protein expression (×100), (c) immunohistochemical staining of malignant mammary epithelial cells showing strong and complete membrane staining for human epidermal growth factor receptor 2 protein overexpression (control) (×100), (d) Immunohistochemical staining of the urothelial carcinoma of urinary bladder showing strong and complete membrane staining for human epidermal growth factor receptor 2 protein overexpression in >10% of the tumour population (×100)