Synchronous concomitant pancreatic acinar cell carcin and gastric adenocarcinoma: A case report and review of literature

Figure 4 Microscopic examinations of pancreas. A: Routine histology, stained using hematoxylin-eosin, shows pancreatic acinar cell adenocarcinoma (magnification: × 200); B: Nuclear division in pancreatic acinar cell carcinoma (magnification: × 400); C: Immunohistochemical staining of pancreatic tumor cells: CAM5.2 expression in pancreatic tumor (magnification: × 200); D: CK19 expression in pancreatic tumor (magnification: × 200); E: Ki-67 partial expression in pancreatic tumor (+ 30%) (magnification: × 200); F: Membranous expression of beta-catenin in pancreatic tumor (magnification: × 200).