“…In recent years, immunotherapy, which can shift the main target of tumor therapy from tumor cells to the host itself, has attracted wide attention in tumor treatment, with programmed cell death-1 (PD-1) inhibitors being representative drugs (6). As a kind of immune sentinel monoclonal antibody, PD-1 inhibitors have been shown to significantly improve patients' immune function and reduce chemotherapy-induced adverse reactions (7). At present, PD-1 inhibitors have shown strong anti-tumor activity in the treatment of LC, thyroid carcinoma and renal cell carcinoma (8)(9)(10), but their application in the treatment of driver-gene mutation negative nsNSCLC has been rarely reported.…”