Fig. 4From: EUS-guided fine needle aspiration provides an open view for duodenal obstruction caused by urothelial carcinoma: a case reportThe immunostaining findings of surgical specimens are as follows: A, Hematoxylin and eosin staining (Nikon DS-U3, 20X); B, Tumor protein 63 (P63) staining (Nikon DS-U3, 20X); C, GATA binding protein 3 (GATA3) staining (Nikon DS-U3, 40X)Back to article page