AUTHOR=Li Lu , Wang Xinyue , Deng Hongyan , Lu Wenjuan , Zhou Yasu , Ye Xinhua , Li Yong , Wang Jie TITLE=Discrimination of superficial lymph nodes using ultrasonography and tissue metabolomics coupled with machine learning JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1510018 DOI=10.3389/fonc.2025.1510018 ISSN=2234-943X