Case Report
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Dec 15, 2017; 9(12): 497-501
Published online Dec 15, 2017. doi: 10.4251/wjgo.v9.i12.497
Figure 2
Figure 2 Histological and immunohistochemical findings of the tumor (× 200). The tumor cells are arranged in solid sheets, pseudopapillary and microcysts (A and B: Hematoxylin-eosin stain), and are immunohistochemically positive for alpha-1-antitrypsin (C), β-catenin (D: Cytoplasmic and nuclear staining), CD56 (E), whereas negative for chromogranin (F).