Endoscopic full-thickness resection vs surgical resection for gastric stromal tumors: Efficacy and safety using propensity score matching

Figure 1 Flow diagram of the study. GIST: Gastrointestinal stromal tumor; EFTR: Endoscopic full-thickness resection.

Figure 2 Intraoperative images of endoscopic full-thickness resection. A: White light observation, locating the submucosal tumor; B: Incision of the tumor's superficial mucosa; C: Layer-by-layer dissection, timely electrocoagulation for hemostasis; D: Complete exposure of the tumor; E: Tumor resection, with full-thickness gastric wall resection visible; F: Closure of the wound using a metal clip.

Figure 3 Data balance before and after propensity score matching. A: Jitter plot of cohort before and after propensity score matching (PSM); B: Standardized mean difference before and after PSM; C: Histogram of propensity scores; D: Line plot of individual differences before and after PSM. SMD: Standardized mean difference.

Figure 4 Kaplan-Meier survival analysis of progression-free survival. SR: Surgical resection; EFTR: Endoscopic full-thickness resection.