Prolonged survival in EGFR exon 20 insertion mutant lung adenocarcinoma: case report of sequential osimertinib and furmonertinib with research trend analysis
BackgroundEpidermal growth factor receptor (EGFR) exon 20 insertion (ex20ins)-mutant non-small cell lung cancer (NSCLC) is characterized by limited sensitivi 1 Introduction Over the past two decades, the identification of epidermal growth factor receptor (EGFR) mutations has profoundly transformed the treatment...
