The s8 segment of the liver is the upper segment of the right anterior lobe. Based on the alignment of the intrahepatic bile duct vessels, the liver can be divided into segments s1 to s8. In particular, segment S8 of the liver is a section of liver tissue located in the right anterior superior lobe of the liver, which is targeted deeper and adjacent to the diaphragm. Meanwhile, segment S8 of the liver is adjacent to the second hepatic hilar and the hepatic vein is connected to the inferior vena cava. This division is important for CT image diagnosis and surgical procedures, and the S8 segment of the liver mainly refers to the eighth segment, which is the upper segment of the right anterior lobe. Once a tumor or other disease requiring resection is present in this area, it is difficult to expose it during surgery. The liver is an important organ in the human body and plays an important role in normal growth and metabolism.