Yushang Yang

P1.080. Dynamic ctDNA Profiling Predicts Pathological Complete Response and Identifies Pseudoprogression in ESCC Receiving Neoadjuvant Immunochemotherapy

Abstract Topic Esophageal Cancer: Adjuvant and Neo-Adjuvant Therapies Background The integration of anti-PD-1 antibody therapy with chemotherapy has shown promising results in the neoadjuvant treatment of locally advanced esophageal squamous cell carcinoma. Conventional imaging m...

P1.003. Causal Immune-Inflammation Mapping of the GERD-Barrett-Adenocarcinoma Cascade Identifies FGF19-HLA-DR+ T-Cell Axis Driving Esophagogastric Junction Metaplasia

Abstract Topic Benign Disease: Barrett’s Esophagus: Pathology and Pathophysiology; Non-invasive Neoplasia Background Gastroesophageal reflux disease (GERD), Barrett’s esophagus (BE), and esophageal adenocarcinoma (EAC) form a recognized pathological continuum, but the causal immu...