| 1. | Little AG, Gay EG, Gaspar LE, etc. National survey of non-small cell lung cancer in the United States: Epidemiology, pathology and patterns of care. Lung Cancer, 2007, 57(3): 253-260. | 
				                                                        
				                                                            
				                                                                | 2. | Dingemans AC, Hendriks LEL, Berghmans T, et al. Definition of synchronous oligometastatic non-small cell lung cancer—A consensus report. J Thorac Oncol, 2019, 14(12): 2109-2119. | 
				                                                        
				                                                            
				                                                                | 3. | Parikh RB, Cronin AM, Kozono DE, et al. Definitive primary therapy in patients presenting with oligometastatic non-small cell lung cancer. Int J Radiat Oncol Biol Phys, 2014, 89(4): 880-887. | 
				                                                        
				                                                            
				                                                                | 4. | Loi M, Mazzella A, Mansuet-Lupo A, et al. Synchronous oligometastatic lung cancer deserves a dedicated management. Ann Thorac Surg, 2019, 107(4): 1053-1059. | 
				                                                        
				                                                            
				                                                                | 5. | Doll R. The pierre denoix memorial lecture: Nature and nurture in the control of cancer. Eur J Cancer, 1999, 35(1): 16-23. | 
				                                                        
				                                                            
				                                                                | 6. | Graham EA, Singer JJ. Successful removal of an entire lung for carcinoma of the bronchus. By Evarts A. Graham and J. J. Singer. JAMA, 1984, 251(2): 257-260. | 
				                                                        
				                                                            
				                                                                | 7. | Ramalingam SS, Vansteenkiste J, Planchard D, et al. Overall survival with osimertinib in untreated, egfr-mutated advanced NSCLC. N Engl J Med, 2020, 382(1): 41-50. | 
				                                                        
				                                                            
				                                                                | 8. | Solomon BJ, Kim DW, Wu YL, et al. Final overall survival analysis from a study comparing first-line crizotinib versus chemotherapy in alk-mutation-positive non-small-cell lung cancer. J Clin Oncol, 2018, 36(22): 2251-2258. | 
				                                                        
				                                                            
				                                                                | 9. | Vansteenkiste J, Manegold C, Serwatowski P, et al. Phase Ⅲ study comparing cisplatin plus gemcitabine with cisplatin plus pemetrexed in chemotherapy-naive patients with advanced-stage non-small-cell lung cancer. J Clin Oncol, 2008, 26(21): 3543-3551. | 
				                                                        
				                                                            
				                                                                | 10. | Reck M, Rodríguez-Abreu D, Robinson AG, etc. Five-year outcomes with pembrolizumab versus chemotherapy for metastatic non-small-cell lung cancer with pd-l1 tumor proportion score ≥ 50. J Clin Oncol, 2021, 39(21): 2339-2349. | 
				                                                        
				                                                            
				                                                                | 11. | Herbst RS, Giaccone G, de Marinis F, et al. Atezolizumab for first-line treatment of pd-l1-selected patients with NSCLC. N Engl J Med, 2020, 383(14): 1328-1339. | 
				                                                        
				                                                            
				                                                                | 12. | Liu Y. Small cell lung cancer transformation from EGFR-mutated lung adenocarcinoma: A case report and literatures review. Cancer Biol Ther, 2018, 19(6): 445-449. | 
				                                                        
				                                                            
				                                                                | 13. | Hellman S, Weichselbaum RR. Oligometastases. J Clin Oncol, 1995, 13(1): 8-10. | 
				                                                        
				                                                            
				                                                                | 14. | Endo C, Hasumi T, Matsumura Y, et al. A prospective study of surgical procedures for patients with oligometastatic non-small cell lung cancer. Ann Thorac Surg, 2014, 98(1): 258-264. | 
				                                                        
				                                                            
				                                                                | 15. | Pfannschmidt J, Dienemann H. Surgical treatment of oligometastatic non-small cell lung cancer. Lung Cancer, 2010, 69(3): 251-258. | 
				                                                        
				                                                            
				                                                                | 16. | Villaruz LC, Kubicek GJ, Socinski MA. Management of non-small cell lung cancer with oligometastasis. Curr Oncol Rep, 2012, 14(4): 333-341. | 
				                                                        
				                                                            
				                                                                | 17. | Patel AN, Simone CB 2nd, Jabbour SK. Risk factors and management of oligometastatic non-small cell lung cancer. Ther Adv Respir Dis, 2016, 10(4): 338-348. | 
				                                                        
				                                                            
				                                                                | 18. | Arrieta O, Barrón F, Maldonado F, et al. Radical consolidative treatment provides a clinical benefit and long-term survival in patients with synchronous oligometastatic non-small cell lung cancer: A phaseⅡ study. Lung Cancer, 2019, 130: 67-75. | 
				                                                        
				                                                            
				                                                                | 19. | Gomez DR, Blumenschein GR Jr, Lee JJ, et al. Local consolidative therapy versus maintenance therapy or observation for patients with oligometastatic non-small-cell lung cancer without progression after first-line systemic therapy: A multicentre, randomised, controlled, phase 2 study. Lancet Oncol, 2016, 17(12): 1672-1682. | 
				                                                        
				                                                            
				                                                                | 20. | Gomez DR, Tang C, Zhang J, et al. Local consolidative therapy vs. maintenance therapy or observation for patients with oligometastatic non-small-cell lung cancer: long-term results of a multi-institutional, phase ⅱ, randomized study. J Clin Oncol, 2019, 37(18): 1558-1565. | 
				                                                        
				                                                            
				                                                                | 21. | Jones GD, Lengel HB, Hsu M, et al. Management of synchronous extrathoracic oligometastatic non-small cell lung cancer. Cancers (Basel), 2021, 13(8): 1893. | 
				                                                        
				                                                            
				                                                                | 22. | Mitchell KG, Farooqi A, Ludmir EB, etc. Pulmonary resection is associated with long-term survival and should remain a therapeutic option in oligometastatic lung cancer. J Thorac Cardiovasc Surg, 2021, 161(4): 1497-1504. |