Ultrasonic radiomics-based nomogram for preoperative prediction of residual tumor in advanced epithelial ovarian cancer: a multicenter retrospective study - Li, Shanshan; Ding, Qiuping; Li, Lijuan; Liu, Yuwei; Zou, Hanyu; Wang, Yushuang; Wang, Xiangyu; Deng, Bingqing; Ai, Qingxiu (Frontiers in Oncology, 2025)