Staging laparoscopy in esophagogastric junction cancer: Systematic review and meta-analysis

Figure 1 Preferred reporting items for systematic reviews and meta-analyses statement: Flow diagram of the literature selection.

Figure 2 A global traffic-light plot of quality assessment of diagnostic accuracy studies. QUADAS-2: Quality assessment of diagnostic accuracy studies-2.

Figure 3 Peritoneal and hepatic malignancy spectrum visualization insights into cancer progression. A: Patients positive for peritoneal malignancy; B: Patients presenting macroscopic peritoneal carcinomatosis; C: Patients presenting hepatic metastatic disease. ES: Effect size; CI: Confidence interval.

Figure 4 Diagnostic performance of staging laparoscopy. ES: Effect size; CI: Confidence interval.

Figure 5 Stratified sensitivity analysis. A: Stratified sensitivity analysis of the diagnostic performance of staging laparoscopy in patients Siewert type I gastroesophageal junction cancer; B: Stratified sensitivity analysis of the diagnostic performance of staging laparoscopy in patients Siewert type II gastroesophageal junction cancer; C: Stratified sensitivity analysis for positive peritoneal malignancy in studies of patients with Siewert type I gastroesophageal junction cancer; D: Stratified sensitivity analysis for positive peritoneal malignancy in studies of patients with Siewert type II gastroesophageal junction cancer. ES: Effect size; CI: Confidence interval.