AUTHOR=Tian HaiYing , Chen Yuling , Zhao LiNa , Liao ChunYan , Li Sha , Zhang Bei TITLE=Clinicopathologic and ultrasonographic features of combined hepatocellular-cholangiocarcinoma and its correlation with microvascular invasion: a predictive role of contrast-enhanced ultrasound JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1474675 DOI=10.3389/fonc.2024.1474675 ISSN=2234-943X