Oncology safety of proximal gastrectomy for advanced Siewert II adenocarcinoma of the esophagogastric junction compared with total gastrectomy: a propensity score-matched analysis

The safety of proximal gastrectomy (PG) for the treatment of advanced Siewert II adenocarcinoma of the esophagogastric junction (AEG) remains debatable. In this study, we aim to evaluate the oncological safety of PG and the metastasis rate of key distal lymph node dissection, which is typically excluded in PG.