Retrospective Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Feb 27, 2024; 16(2): 503-510
Published online Feb 27, 2024. doi: 10.4240/wjgs.v16.i2.503
Figure 1
Figure 1 Visualization of the surgical fields after the completion of each surgical step via the five-step four-zone method. A: The common hepatic artery was exposed and suspended along the No. 8a lymph node; B: The surgical field after the dissection of the upper zone of the hepatic artery (HA)/portal vein (PV) axis; C: The surgical field after the dissection of the left zone of the HA/PV axis; D: The surgical field after the dissection of the right zone of the HA/PV axis; E: The surgical field after the dissection of the lower zone of the HA/PV axis; F: The surgical field of the hepatic hilum region after the completion of the dissection. LN 8a: No. 8a lymph node; CHA: Common hepatic artery; GDA: Gastroduodenal artery; RHA: Right hepatic artey; PHA: Proper hepatic artery; LN: Lymph node; LGA: Left gastric artery; CHD: Common hepatic duct; IVC: Inferior vena cave.