Case Report
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. May 27, 2024; 16(5): 1436-1442
Published online May 27, 2024. doi: 10.4240/wjgs.v16.i5.1436
Figure 1
Figure 1 Timeline of history of past illnessthe, initial diagnosis, surgical intervention, postoperative adjuvant therapy, and follow-up period. PET-CT: Positron emission tomography/computed tomography; PD-1: programmed cell death 1.
Figure 2
Figure 2 Positron emission tomography/computed tomography showing high accumulation of 18F-fludeoxyglucose in the gastric cardia region. A maximum standardized uptake value of 20.03.
Figure 3
Figure 3 Upper endoscopy and surgical resection. A: The presence of a large mass of about 5 cm × 4 cm at the stomach fundus was confirmed by upper endoscopy; B: Surgical resection of the tumor revealed a large mass located in the stomach fundus near the cardia, showing a type of ulcer infiltrate measuring 6 cm × 5 cm.
Figure 4
Figure 4 Hematoxylin and eosin staining and in situ hybridization. A: Histopathological examination of a stomach tumor section by hematoxylin and eosin staining, showing poorly differentiated carcinoma with prominent lymphoplasmacytic infiltration; B: In situ hybridization analysis showing positive staining for Epstein-Barr virus-encoded RNA.