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  Indian J Med Microbiol
 

Figure 3 A-D. Immunohistochemistry (IHC) staining showed that the tumour cells were positive for cytokeratin (CK) 20 (A) (arrow), Villin (B) (arrow), caudal-related homeobox transcription factor 2 (CDX2) (C) (arrow), but negative for CK7 (D) (arrow) (DAB staining; original magnification ×200)

Figure 3 A-D. Immunohistochemistry (IHC) staining showed that the tumour cells were positive for cytokeratin (CK) 20 (A) (arrow), Villin (B) (arrow), caudal-related homeobox transcription factor 2 (CDX2) (C) (arrow), but negative for CK7 (D) (arrow) (DAB staining; original magnification ×200)