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Colon- Colorectal adenocarcinoma containing areas with diffuse MUC5AC positivity next to areas with rather few interspersed MUC5AC positive cells. |
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Colon- Colorectal adenocarcinoma with few scattered MUC5AC positive cells. The distribution of positive cells mirrors the MUC5AC expression pattern in normal colon mucosa. |
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Colon- Colorectal adenocarcinoma with weak to moderate MUC5AC immunostaining in about 25% of the tumor cells |
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Colon- Focal MUC5AC positivity in a cholangiocellular carcinoma also showing focal squamoid differentiation |
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