Efficacy of camrelizumab (SHR-1210) plus apatinib with or without stereotactic body radiotherapy (SBRT) as higher-line therapy for advanced EGFR-mutant non-small cell lung cancer (NSCLC).

e21128Background: Despite the dramatic response of epidermal growth factor receptor tyrosine kinase inhibitors (EGFR TKIs) as first-line treatment for EGFR-mutant NSCLC, the development of resistan...