Lung resection surgery may be used to treat diseases such as lung cancer or benign tumors. Early lung cancer can be cured and the life expectancy is the same as normal people, the life expectancy of patients in middle and late stages can be 5~10 years, and the life expectancy of patients with benign tumors is usually unaffected after surgery. 1. Lung cancer: After suffering from lung cancer, patients need to choose the method of surgical removal of tumor for treatment in early stage. Early stage lung cancer can be cured and the life expectancy is no different from normal people, which may be in decades. The life expectancy of patients in middle and late stages will be affected, usually can be in 5~10 years. 2. Benign tumors: When there are benign tumors in the lungs, patients also need to choose lung resection surgery for treatment, which usually does not cause obvious damage to the body, and life expectancy is usually not affected. The patient’s survival time will be longer, which may range from 10-30 years, depending on the patient’s specific condition and recovery. After lung resection surgery, patients should go to the hospital for regular checkups and make timely adjustments to their treatment to help prolong their survival.