Gastrointestinal stromal tumor of the stomach: How to manage?

Figure 7 Management process of gastric submucosal tumor (in a case of B-cell lymphoma) according to our institutional algorithm (Figure 2). Quoted and modified from reference [15]. A: Esophagogastroduodenoscopy (EGD) showing submucosal tumor in the middle body of the stomach; B; Endoscopic ultrasound (EUS) reveals 1.5 cm subepithelial hypoechoic solid tumor within submucosal layer. Proper muscle layer (arrow-mp) is intact; C: Puncture of the small gastric malignant lymphoma under EUS guidance. Arrow: tip of needle; D: The immunohistochemical findings of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) specimen reveals CD-20 positive diffuse large B cell lymphoma.