Ectopic liver tissue on the gallbladder: A Preferred Reporting Items for Systematic Reviews and Meta-analyses guided systematic review

Figure 1 Preferred Reporting Items for Systematic Reviews and Meta-analyses flow diagram showing the identification, screening, eligibility, and inclusion of studies.

Figure 2 Intraoperative image. A: From case 1, showing ectopic liver tissue (ELT) attached to the gallbladder wall; B: From case 2, demonstrating pedunculated ELT being dissected from the gallbladder serosa; C: From case 3, demonstrating a broad-based ELT attached to the gallbladder serosa (orange arrow: ELT, blue arrow: Gallbladder, purple: Pericholecystic adhesions).

Figure 3 Conceptual schematic overview of gallbladder-associated ectopic liver tissue illustrating anatomical location, proposed microenvironmental stressors (impaired vascularization and biliary drainage), and potential progression to hepatocellular carcinoma. HCC: Hepatocellular carcinoma.