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  Indian J Med Microbiol
 

Figure 5: Immunohistochemistry for chromogranin A displayed positive immunoreactivity, a characteristic punctate pattern of staining by cytoplasmic large vesicle granules of tumor cells

Figure 5: Immunohistochemistry for chromogranin A displayed positive immunoreactivity, a characteristic punctate pattern of staining by cytoplasmic large vesicle granules of tumor cells