Efficacy of chemotherapy combined with immunotherapy in advanced lung adenocarcinoma harboring epidermal growth factor receptor (EGFR) exon 20 insertion (ex20ins) mutations: A retrospective comparative study
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Background: Although chemotherapy combined with immunotherapy is effective in advanced non-small cell lung cancer (NSCLC), its efficacy in patients with epidermal growth factor receptor (EGFR) exon 20 insertion (ex20ins) mutation... ...
