Figure 2

MUC5AC immunoexpression in columnar epithelium adjacent to the Adenocarcinoma. Immunohistochemical staining of MUC5AC for columnar epithelium showing glandular structures as positive control (original magnification × 400)
MUC5AC immunoexpression in columnar epithelium adjacent to the Adenocarcinoma. Immunohistochemical staining of MUC5AC for columnar epithelium showing glandular structures as positive control (original magnification × 400)