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  Indian J Med Microbiol
 

Figure 2: The histological study demonstrates an infiltrative, solid, extensively ulcerate lesion (a). The cells showed marked pleomorphism and glandular differentiation was difficult to appreciate (b). The immunohistochemical study showed positivity for CK7 (c) and was negative for p40 (d)

Figure 2: The histological study demonstrates an infiltrative, solid, extensively ulcerate lesion (a). The cells showed marked pleomorphism and glandular differentiation was difficult to appreciate (b). The immunohistochemical study showed positivity for CK7 (c) and was negative for p40 (d)