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Description: A Pancreatico biliary type adenocarcinoma showing (A) Simple glands composed of cuboidal cells with rounded nuclei
arranged in a single layer and (B) along with small clusters of cells and individual cells, embedded in a desmoplastic stroma on H&E staining. By IHC, tumor cells are (C) Positive for MUC1, (D) Negative for CK20, (E) Negative for CDX2 and (F) Positive for CK7