Figure 4From: Pancreatic ampullary carcinoma with neck metastases: a case report(A) Metastatic adenocarcinoma forming a mass in the neck soft tissue (H&E, ×20); (B) Lymphovascular tumor thrombus in the surrounding soft tissue (H&E, ×40); (C) Anti-cytokeratin 7 positivity in the tumor cells (Anti-cytokeratin 7, ×20); (D) Anti-CEA positivity in the tumor cells (Anti-CEA, ×40).Back to article page