"Extended" radical cholecystectomy for gallbladder cancer: Long-term outcomes, indications and limitations

Figure 2 Wedge resection of the gallbladder fossa in "extended" radical cholecystectomy. The dashed line indicates the line of hepatic parenchymal division. The short double-headed arrow indicates the line of division of the cystic plate. The long double-headed arrows indicate lines of division of the extrahepatic bile duct. At the end of parenchymal division, the cystic plate is identified as a fibrous plate connecting with the right portal pedicle, and then divided at its base. Arabic numerals indicate the plate system of the liver (1: Cystic plate; 2: The dense fibrous sheath encircling the right portal pedicle; 3: Hilar plate). GB: Gallbladder; C: The triangle of Calot.