AUTHOR=Fu Zhizhan , Feng Fazhi , He Xingguang , Li Tongtong , Li Xiansong , Ziluo Jituome , Huang Zixing , Ye Jinlin TITLE=SiameseNet based on multiple instance learning for accurate identification of the histological grade of ICC tumors JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1450379 DOI=10.3389/fonc.2025.1450379 ISSN=2234-943X