AUTHOR=Yang Zhendong , Xiao Huimin , Li Xigui , Wei Zhuxin , Kang Min , Wang Rensheng , Huang Jianyuan TITLE=Antiangiogenic therapy with recombinant human endostatin may improve blood perfusion of cervical node with necrosis in nasopharyngeal carcinoma patients: a preliminary study by using contrast-enhanced ultrasound JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1521762 DOI=10.3389/fonc.2025.1521762 ISSN=2234-943X