Fig. 3From: EUS-guided fine needle aspiration provides an open view for duodenal obstruction caused by urothelial carcinoma: a case reportThe immunostaining findings of EUS-FNA specimens are as follows: A, Cytokeratin (CK)-Pan staining (Nikon DS-U3, 20X); B, Ki-67 staining (Nikon DS-U3, 20X); C, Cytokeratin7 (CK7) staining (Nikon DS-U3, 20X); D, Cytokeratin20 (CK20) staining (Nikon DS-U3, 20X)Back to article page