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  Indian J Med Microbiol
 

Figure 3: Immunohistochemistry on sections from tumor showing: (a) Negative staining for CK19 (×100) (b) Weak positivity for CK7 (×100) (c) Focal expression of smooth muscle actin within tumor islands (white arrows). Stromal fibroblasts surrounding the nests are showing positivity (internal control) (×100) (d) Negativity of CD117 in adenoid cystic carcinoma like areas (×100)

Figure 3: Immunohistochemistry on sections from tumor showing: (a) Negative staining for CK19 (×100) (b) Weak positivity for CK7 (×100) (c) Focal expression of smooth muscle actin within tumor islands (white arrows). Stromal fibroblasts surrounding the nests are showing positivity (internal control) (×100) (d) Negativity of CD117 in adenoid cystic carcinoma like areas (×100)