Prognostic value of immunosuppression scores in patients with esophageal squamous cell carcinoma: a multicenter study - Xu, Shao-jun; Luo, Yun-fan; Huang, Jin; Tu, Jia-hua; Chen, Chao; Shen, Yan-ming; Sun, Zhao-min; Chen, Shu-chen (Frontiers in Immunology, 2025)