AUTHOR=Huang Dayan , Cao Wenbin , Luo Yunhao , Guan Cheng , Liu Yuyan , Li Chaonan , Chen Jie , Luo Jing , Luo Jun TITLE=Can preoperative percutaneous injection of ultrasound contrast agent locate sentinel lymph nodes of breast cancer? JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1471443 DOI=10.3389/fonc.2024.1471443 ISSN=2234-943X