Comparison efficacy and safety of total laparoscopic gastrectomy and laparoscopically assisted total gastrectomy in treatment of gastric cancer

Figure 4 Funnel plot of literature publication bias. A: Funnel plot of publication bias in surgical incision length; B: Funnel plot of publication bias in operative time; C: Funnel plot of publication bias in surgical anastomosis time; D: Funnel plot of publication bias in intraoperative blood loss; E: Funnel plot of publication bias in the number of lymph nodes removed; F: Funnel plot of publication bias in tumor size.