The abdominal trunk is usually divided into three major branches, the main ones being the following: i. Splenic artery, which supplies blood to the spleen, emanates from the abdominal trunk and bends to the left side at a position of about one to two centimeters, emitting many branches and then entering the splenic organ, while other smaller branches can reach the body and tail of the pancreas. The common hepatic artery can be divided into the intrinsic hepatic artery and the duodenal artery. The main hepatic artery will be divided into two branches, left and right, which enter the left and right lobes of the liver respectively, and the right gastroretinal artery will follow the greater curvature of the stomach to reach the gastroretinal artery. The superior pancreaticoduodenal artery will distribute into the head of the pancreas and the pancreaticoduodenum, respectively, which are divided from the gastroduodenal artery. Third, the left gastric artery, which will anastomose with the right gastric artery, supplies blood to the lesser curvature of the stomach.