Case Report
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. Aug 15, 2023; 15(8): 1497-1504
Published online Aug 15, 2023. doi: 10.4251/wjgo.v15.i8.1497
Figure 4
Figure 4 Immunohistochemical findings. A-C: The tumor cells were strongly positive for CgA (A), Syn (B), and CD56 (C); D: Immunohistochemical staining showed that gastrin was absent. An image showing positive immunohistochemical staining for gastrin is presented in the lower right corner as a positive control for comparison.