Adjuvant therapy provides no additional recurrence-free benefit for esophageal squamous cell carcinoma patients after neoadjuvant chemoimmunotherapy and surgery: a multi-center propensity score match study. - Xie SH; Yang LT; Zhang H; Tang ZL; Lin ZW; Chen Y; Hong ZN; Xu RY; Lin WL; Kang MQ (Frontiers in immunology, 2024)