Xuefeng Leng

P1.113. Optimization of Cervical Lymph Node Ultrasound Partitioning in Esophageal Cancer: A Cross-Sectional Survey of Surgeons and Ultrasound Physicians in China

Abstract Topic Esophageal Cancer: New Diagnostic Modalities (Including PET, PET-CT, New Tracers) Background Accurate ultrasound evaluation of cervical lymph nodes (LNs) is essential for staging and treatment planning in esophageal cancer, particularly for decisions regarding thre...

P1.154. Delayed Unexplained Hemorrhage After Esophagectomy: Insights From a Nationwide Multicenter Questionnaire-Based Study

Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer – early outcomes and complications Background Delayed unexplained postoperative hemorrhage after esophagectomy is a rare complication. Due to its low incidence, existing reports are limited, and high-qualit...

P1.064. Limitations of Preoperative Prediction Models for Complications After Esophagectomy: A Multi-Center Analysis

Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer Background Preoperative risk stratification for esophagectomy complications relies on clinical prediction models; however, their discriminative performance in multi-institutional settings remains poorly def...

P1.065. Lymph Node Yield as a Prerequisite for Prognostic Superiority of Ratio-Based Nodal Staging in Esophageal Cancer: A Multi-Institutional Validation Study

Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer Background Lymph node ratio (LNR) and log odds of positive lymph nodes (LODDS) have been proposed as yield-independent alternatives to pN staging for esophageal cancer. However, their prognostic superiority...

P1.062. Discovery of Novel Dual-Target Inhibitors for EGFR and PIK3CA From Natural Products via Machine Learning and Molecular Simulation

Abstract Topic Esophageal Cancer: Molecular Biology/Pathology Background With the advancement of personalized medicine, multi-target drug development has garnered significant attention, particularly for complex diseases such as cancer. This study aims to identify potential dual-t...

P1.072. Impact of Neoadjuvant Therapy on Survival After Esophagectomy for Squamous Cell Carcinoma: An International Multicenter Propensity Score Analysis

Abstract Topic Esophageal Cancer: Adjuvant and Neo-Adjuvant Therapies Background The survival benefit of neoadjuvant therapy for esophageal squamous cell carcinoma (ESCC) remains controversial, as landmark trials were conducted predominantly in adenocarcinoma populations. This st...

P1.067. Multinational Comparison of Surgical Approaches and Postoperative Outcomes in Esophageal Cancer: An International Multicenter Cohort Study

Abstract Topic Esophageal Cancer: Surgical Treatment of Esophageal Cancer Background Esophagectomy for esophageal cancer carries substantial morbidity, yet the extent to which institutional surgical strategy—encompassing operative approach, lymphadenectomy extent, and neoadjuvant...