Pancreatic adenocarcinoma with early esophageal metastasis: A case report and review of literature

Figure 4 Histologic preparation of right cervical lymph node core needle biopsy. A: Immunohistochemical stain for Caudal Type Homeobox 2 positive stain, 10 × magnifications; B: Immunohistochemical stain for thyroid transcription factor 1 weakly positive stain, 40 × magnification; C: Loss of lymph node architecture with several glands present on a background of fibrous stroma, 10 × magnification; D: Higher power view demonstrating cytologic atypia and abundant mucin, 20 × magnification.