A rare condition: Ectopic liver tissue with its unique blood supply encountered during laparoscopic cholecystectomy

Highlights • Developmental abnormalities of liver including ectopic liver are rare conditions. • Although it does not usually produce any symptom clinically, it can rarely result in serious complications such as bleeding, pyloric and portal vein obstruction. • Ectopic liver has the capacity of malignant transformation to hepatocellular carcinoma that makes it essential to be removed. • The vascular anatomy of ectopic liver should be identified before the dissection of gallbladder in order to prevent hemorrhage from the liver parenchyma.