Perioperative outcomes of neoadjuvant immunotherapy plus chemotherapy and neoadjuvant chemoradiotherapy in the treatment of locally advanced esophageal squamous cell carcinoma: a retrospective comparative cohort study - Zhang, Hai; Zhang, Zhenyang; Yang, Litao; Wu, Bomeng; Chen, Ying; He, Haiquan; Li, Cui; Lin, Wanli; Lin, Jiangbo (Journal of Thoracic Disease, 2023)