A nomogram model to predict recurrence of early-onset endometrial cancer after resection based on clinical parameters and immunohistochemical markers: a multi-institutional study - Zheng, Yunfeng; Shen, Qingyu; Yang, Fan; Wang, Jinyu; Zhou, Qian; Hu, Ran; Jiang, Peng; Yuan, Rui (Frontiers in Oncology, 2024)