Fig. 1

Reconstructed 3D images of the perigastric vessels, including the left gastric vein (LGV) and gastric tumor, in a patient with gastric cancer are shown. The course of the LGV was divided as follows. The images in b and c were respectively obtained from the same patient. a The dorsal side of the common hepatic artery (type A). b The ventral side of the common hepatic artery (type B). c The ventral side of the splenic artery (type C). d The dorsal side of the splenic artery (type D). LGV left gastric vein, CHA common hepatic artery, SA splenic artery