Figure 2: a. Immunohistochemical study a. Showing cytokeratin (CK) 7 positivity in neoplastic cells (CK7 × 40×) b. Showing CK19 positivity in neoplastic cells CK19 × 20×) c. Showing EPCAM (epithelial cell adhesion molecule) positivity in neoplastic cells (EPCAM × 20×) d. Showing Hep par-1 negativity in neoplastic cells (Hep par-1 × 20×)