Phase II trial of efficacy, safety and biomarker analysis of sintilimab plus anlotinib for patients with recurrent or advanced endometrial cancer ================================================================================================================================================= * Wei Wei * Xiaohua Ban * Fan Yang * Jibin Li * Xiaqin Cheng * Rong Zhang * Xin Huang * Yongwen Huang * Qiaqia Li * Ya Qiu * Min Zheng * Xiaofeng Zhu * Jundong Li