AUTHOR=Zhao Binghe , Gu Mingyu , Wang Zijian , Li Jie , Wen Minghai , Wu Di , Li Shuo , Liu Lu , Wang Xinxin TITLE=Risk factors and nomogram development for lymph node metastasis in early-onset early-stage gastric cancer: a retrospective cohort study JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1544758 DOI=10.3389/fonc.2025.1544758 ISSN=2234-943X