Efficacy and safety of PD-1/PD-L1 inhibitors in advanced or recurrent endometrial cancer: a meta-analysis with trial sequential analysis of randomized controlled trials - Ren, Ji; Wang, Jinghe; Wang, Yanan; Yang, Dongying; Sheng, Jianming; Zhu, Shili; Liu, Yunli; Li, Xiaoqi; Liu, Wei; Zhang, Binbin (Frontiers in Immunology, 2025)