“…According to the type of pathology, lung cancer can be divided into small cell lung cancer and non-small cell lung cancer (Calado et al, 2017;Filippou et al, 2019;Hasan et al, 2019). The pathogenesis is not very clear, it may be caused by smoking, long-term exposure to air pollution, and exposure to carcinogens in occupations (Chin et al, 2017). At present, the effective method for clinical treatment of lung cancer is radical tumor surgery (Reymen et al, 2020).…”