Hepatectomy for gallbladder-cancer with unclassified anomaly of right-sided ligamentum teres: A case report and review of the literature

Figure 2 Preoperative simulation. A: An “all-in-one” simulation image. The intrahepatic vasculature was reconstructed at the 4th order division level (red: hepatic artery, pink: portal vein, green: bile duct, yellow: Gallbladder, blue: hepatic vein); B and C: Simulated segmentation based on the portal venous flow. Couinaud’s definition was referred to for the naming of each segment; D: All segmental portal branches were ramified from the portal trunk. Interestingly, a common trunk of P5 and P6 was present; E: Hepatic arterial ramification without anomalous anatomy; F: The bile duct of segment 8 (B8) was ramified from the left hepatic duct, not from the right hepatic duct. RHD: Right hepatic duct; LHD: Left hepatic duct.