Prognostic Stratification of Adjuvant Immunotherapy After Neoadjuvant Chemoimmunotherapy and Quality Surgery in LA-ESCC.
BACKGROUND In locally advanced esophageal squamous cell carcinoma (LA-ESCC), neoadjuvant chemoimmunotherapy (NCIT) plus high-quality surgery (R0 resection with systematic lymphadenectomy >19 nodes) is a promising strategy. However, the value of adjuvant immunotherapy remains unclear. This study aimed to evaluate the as...