Immunohistochemistry shows that the tumor cells are positive for cytokeratin AE1/AE3 (CK AE1/AE3), antihuman epithelial antigen BerEP-4, P63, CAM 5.2, cluster of differentiation 10 (CD10), 34BE12, and B-cell leukemia/lymphoma 2 protein (BCL-2) [22]. Here, EPCAM is linked to neoplasm.