The IHC was done and tumor cells were positive for cytokeratin (CK) 7, CK8, CK20 (weakly +), the Epithelial Membrane Antigen (EMA), Cluster of Differentiation (CD) 10, E-Cadherin and High Molecular Weight Keratin (HMWK, focally positive). Here, MUC1 is linked to neoplasm.