In the BaF3 (EGFRDel746-750/T790M/C797S) xenotransplantation model, TQB3804 inhibits the growth of the transplanted tumour model by inhibiting phosphorylated EGFR (p-EGFR), phosphorylated AKT (p-AKT), and phosphorylated extracellular signal-regulated kinase (p-ERK) targeting EGFR tertiary mutation.107. This evidence concerns the gene EGFR and neoplasm.