Fig. 3. (A) High-power microscopic image of H&E-stained slide (400× magnification) showing tubular architecture and high-grade nuclear features with an absence of mucin production. (B) Immunohistochemical staining for CK7 (200× magnification) showing positive membranous and cytoplasmic expression. (C) Immunohistochemical stain for MUC1 (200× magnification) showing membranous luminal expression.
© 2021 Ann Hepatobiliary Pancreat Surg