Although it was reported that the assessment of anatomic variations in perigastric vessels, such as the CHA, by preoperative computed tomography (CT) could reduce intraoperative bleeding;7,8 CHA absence has not yet been anatomically classified in such a way that assessment through preoperative CT could be conveniently utilized to reduce vascular injury risk during laparoscopic radical resections for gastric cancer. The gene discussed is TCFL5; the disease is gastric cancer.