Case report: Gastric tube cancer after esophagectomy-Retrograde perfusion after proximal resection of right gastroepiploic artery.

•Surgical treatment of post-esophagectomy gastric tube cancer is individual and challenging.•We safely and successfully treated a gastric tube cancer via partial resection, sacrificing Right gastroepiploic artery.•Retrograde pulsation of the right gastroepiploic artery was seen during surgery.•Consequently, vascular reconstruction of this artery was not required.•Bilateral vascularization may reduce the risk of perioperative complications.