AUTHOR=Li Shanshan , Ding Qiuping , Li Lijuan , Liu Yuwei , Zou Hanyu , Wang Yushuang , Wang Xiangyu , Deng Bingqing , Ai Qingxiu TITLE=Ultrasonic radiomics-based nomogram for preoperative prediction of residual tumor in advanced epithelial ovarian cancer: a multicenter retrospective study JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1540734 DOI=10.3389/fonc.2025.1540734 ISSN=2234-943X