Gastric tube-guided and robot-assisted laparoscopic resection of gastroesophageal junction stromal tumors: Two case reports

Figure 7 Pathologic finding. A: Gastric tumor resection specimen gastrointestinal stromal tumor (GIST). Postoperative risk stratification: Intermediate. No residual tumor was identified at the resection margins (Case 1); B: Gastric tumor resection specimen GIST (Case 2). Postoperative risk stratification: High. No residual tumor was identified at the resection margins.