FIGURE 4

Immunohistochemical stainings for DU-PAN-2 (a) and CA19–9 (b) in papillary carcinomas; both DU-PAN-2 and CA19–9 are expressed in the invasive elements accompanied by fibrous tissue.

Immunohistochemical stainings for DU-PAN-2 (a) and CA19–9 (b) in papillary carcinomas; both DU-PAN-2 and CA19–9 are expressed in the invasive elements accompanied by fibrous tissue.