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  Indian J Med Microbiol
 

Figure 2: (a) Cytology cell block showing cluster of non-small cancer cells in one patient who was diagnosed metastatic adenocarcinoma prior to detection of primary colorectal cancer (H and E, x400). (b) Immunohistochemistry showing positive for CDX2 (IHC, x400). (c) Immunohistochemistry showing negative for p40 (IHC, x400). (d) Immunohistochemistry showing negative for TTF-1 (IHC, x400)

Figure 2: (a) Cytology cell block showing cluster of non-small cancer cells in one patient who was diagnosed metastatic adenocarcinoma prior to detection of primary colorectal cancer (H and E, x400). (b) Immunohistochemistry showing positive for CDX2 (IHC, x400). (c) Immunohistochemistry showing negative for p40 (IHC, x400). (d) Immunohistochemistry showing negative for TTF-1 (IHC, x400)