Dynamic Changes of ctDNA‐Based MRD and Genomic Mutations Predict Prognosis in ESCC Treated With Definitive Radiotherapy
ABSTRACT This study characterized the genomic profile of esophageal squamous cell carcinoma (ESCC) via circulating tumor DNA (ctDNA) to identify predictive biomarkers for efficacy of definitive radiotherapy combined with systemic therapy. In this prospective cohort of 40 ESCC patients, 7 tumor tissues and 71 serial pla...