Research Article
HER2 Basolateral versus Circumferential IHC Expression Is Dependent on Polarity and Differentiation of Epithelial Cells in Gastric/GE Adenocarcinoma
Figure 4
HER2 immunohistochemical staining of gastric adenocarcinoma showing antigen heterogeneity (note 2+ and 3+ membrane staining in the same tumor).