Fig. 4

a Intraoperative photographs of the anterior superior common hepatic artery lymph node (black arrow). b Intraoperative ultrasonography image shows no infiltration of the anterior superior lymph node of the common hepatic artery (black arrow) into the common hepatic artery (yellow arrow). c Macroscopic findings of the resected stomach. An ulcer scar is seen in the primary tumor site (arrowhead)