Lung squamous carcinoma in middle and late stages cannot be cured by itself, and patients should actively cooperate with doctors for treatment. Squamous lung cancer is one of the common pathological types of lung cancer, most of them are centralized lung cancer, and the occurrence of the disease is related to smoking, heredity and other high-risk factors. After diagnosis, the main treatment is surgical resection, after which radiotherapy and chemotherapy can be supplemented according to the condition. After active treatment, the five-year survival rate of middle- and late-stage lung cancer patients is about 5% to 40%, but if they do not cooperate with the treatment in time, the disease will soon develop into the terminal stage, which will seriously jeopardize their lives. Therefore, please make sure to seek timely medical treatment instead of believing rumors.