Case Report
Copyright ©The Author(s) 2017.
World J Gastroenterol. May 28, 2017; 23(20): 3744-3751
Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3744
Figure 4
Figure 4 Immunohistochemical staining. The tumor cells were strongly positive for S-100 protein (HE staining, × 200). HE: Hematoxylin and eosin.