Perioperative treatment for resectable non-small cell lung cancer harboring EGFR exon 20 insertion mutations: a narrative review from advanced-stage evidence to whole-course precision management
Background and Objective Epidermal growth factor receptor exon 20 insertion mutations (EGFR ex20ins) define a rare, structurally heterogeneous subtype of non-small cell lung cancer (NSCLC) that is relatively insensitive to conventional EGFR tyrosine kinase inhibitors. Although amivantamab, sunvozertinib, zipalertinib,...