Laparoscopic liver resection utilizing the ventral avascular area of the inferior vena cava: A retrospective cohort study

Figure 7 Magnetic resonance imaging of the liver tumor and the surgical procedure of laparoscopic segment VII/VI resection. A: Magnetic resonance imaging of the liver tumor located at S6 and S7 (arrow); B: Schematic of the surgical procedure, with labels 1, 2 and 3 representing the different surgical steps; C: Blunt dissection for exposing the avascular area in the retrohepatic tunnel; D: Splitting S1 on the surface of the inferior vena cava; E: Transection of posterior pedicle after splitting S1; F-I: Splitting the liver parenchyma along the surface of the inferior vena cava in a caudal to cranial direction to expose the root of the right hepatic vein; J: Transection of V7; K: Transection of short hepatic veins of the third hepatic hilum; L: Transection of the Makuuchi ligament. RHV: Right hepatic vein; IVC: Inferior vena cava; PP: Posterior pedicle; AFV: Anterior fissure vein; SHV: Short hepatic vein.