Lung adenocarcinoma harboring rare epidermal growth factor receptor L858R and V834L mutations treated with icotinib: A case report

Figure 1 Next generation sequencing result and immunoassay of epidermal growth factor receptor and programmed death-ligand 1. A: Next generation sequencing result of the patient’s tissue sample, showing variation in epidermal growth factor receptor exon 21; B: Epidermal growth factor receptor immunoassay; C: Programmed death-ligand 1 immunoassay.