AUTHOR=Liu Lei , Mao Yilong , Guo Leilei , Li Chencong , Wang Yiqian TITLE=Advances in adjuvant therapy for operable N2 non-small cell lung cancer: a narrative review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1523743 DOI=10.3389/fonc.2024.1523743 ISSN=2234-943X