Zhang, Yunbo, Liping Zheng, Junqi Liu, Jinqiu Li, Jianguang Zhang, Jingjing Ma, and Yuxiu Song. 2021. “Postoperative Radiotherapy and N2 Non-Small Cell Lung Cancer Prognosis: A Retrospective Study Based on Surveillance, Epidemiology, and End Results Database”. Journal of Oncology Research 3 (2):1-7. https://doi.org/10.30564/jor.v3i2.3513.