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 Indian J Med Microbiol  
 

Figure 3: Immunohistochemical staining showing (a) Positivity of tumor cells with S-100 and negativity for (b) Pan cytokeratin, (c) HMB 45, and (d) Vimentin (×400)

Figure 3: Immunohistochemical staining showing (a) Positivity of tumor cells with S-100 and negativity for (b) Pan cytokeratin, (c) HMB 45, and (d) Vimentin (×400)