The cure rate of early stage lung cancer is generally high, but it cannot be generalized. First of all, it is necessary to clarify the pathological type of lung cancer, whether it is lung adenocarcinoma, squamous carcinoma, small cell lung cancer, or other rare types. Even if the stage of small cell lung cancer is relatively early, due to the high degree of malignancy, it is also prone to invasion, metastasis, recurrence and drug resistance, and in many cases, it may not be well cured. After effective chemotherapy and radiotherapy, the cure rate of small cell lung cancer in the confined stage is probably not more than 50%, and many of them have recurrence and metastasis after 2-3 years. The situation of non-small cell lung cancer is much better, among which lung adenocarcinoma is relatively better. The early stage of lung adenocarcinoma varies depending on a number of factors, such as whether there is a susceptibility-driven mutation, the size of the nodule, for example, whether it is 1cm or 3cm, and whether the nodule is purely glassy or has a predominantly solid component. In the earliest early stages, for example, if it’s a carcinoma in situ the cure rate is close to 100%, and it can be recurrence-free within five years. If there is a 2-3cm solid lesion of NSCLC, although it is also in the early stage, the five-year cure rate is about 70%-80%, which is obviously much lower than that of ground-glass nodule and carcinoma in situ mentioned just now.