AUTHOR=Zhu Diyang , Xiao Yuanyuan , He Shancheng , Xie Baochang , Zhao Wenqi , Xu Yuhui TITLE=Postoperative radiotherapy improves survival in completely resected non-small cell lung cancer with pathologic N2 stage IIIA and positive lymph node count greater than one: a SEER-based retrospective cohort study JOURNAL=Frontiers in Surgery VOLUME=Volume 11 - 2024 YEAR=2025 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2024.1506854 DOI=10.3389/fsurg.2024.1506854 ISSN=2296-875X