AUTHOR=Yue Chongkang TITLE=Construction and validation of a nomogram model for lymph node metastasis of stage II-III gastric cancer based on machine learning algorithms JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1399970 DOI=10.3389/fonc.2024.1399970 ISSN=2234-943X