Case Report
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Nov 15, 2017; 9(11): 452-456
Published online Nov 15, 2017. doi: 10.4251/wjgo.v9.i11.452
Figure 1
Figure 1 Upper gastrointestinal endoscopy revealing a subepithelial tumor with intact overlying mucosa (black arrow) on the posterior wall of the gastric antrum.
Figure 2
Figure 2 Endoscopic ultrasonography showing a homogenous, hypoechoic mass within the muscularis propria (white arrows). Its echogenicity appears to be more hyperechoic than that of the muscle layer.
Figure 3
Figure 3 Histopathological images showing adenocarcinoma with immunohistochemistry positive for WT1 (× 20) and CK7 (× 16), and negative for CK20 (× 20) and CDX2 (× 20).