184. INTRATHORACIC SIDE-OVERLAP ESOPHAGOGASTROSTOMY DURING MINIMALLY INVASIVE ESOPHAGECTOMY FOR ESOPHAGOGASTRIC JUNCTION CANCER

Abstract Backgrounds Surgical algorithm for esophagogastric junction cancer have been proposed according to the results of a recent prospective study. However, reconstruction method has yet be standardized. Esophagogastrostomy is often performed with esophageal invasion, although, it related frequent and severe complications. Recently, we introduced IntraThoracic Side-overlap EsophagoGastrostomy (ITS-EG), an eazy novel intrathoracic anastomotic reflux prevention mechanism during minimally invasive esophagectomy cancer. Methods We retrospectively reviewed patient backgrounds surgical/short term outcomes who underwent ITS-EG between February 2018 April 2023 at our institute. Results The study cohort included ten patients, median age 67 (55–77) years. All tumors were classified as Siewert type II, invasion length was 32 (11.8–40) cm. After extended proximal gastrectomy, patients either thoracoscopic (five patients) or robot-assisted followed by ITS-EG. consist overlap anastomosis utilizing surgical stapler, owing creation pseudo-fornix slit-shaped anastomosis. initial case suffered leakage, however, recovered conservative measures. other had uneventful recovery without esophagitis nor stricture. Conclusion easy safe esophagectomy, may considered cancers invasion. Further accumulation cases needed demonstrate safety efficacy procedure would presented video.