A study of patients with lung cancer showed that CFL1 was highly expressed in lung cancer and was related to the invasiveness and metastasis of lung cancer cells; CFL1 expression in lung cancer cells is closely related to the prognosis and survival rates of the patients [24], suggesting that CFL1 can serve as a potential biological indicator to determine the lung cancer prognosis. The gene discussed is CFL1; the disease is lung carcinoma.