Generally speaking, lung adenocarcinoma T1bN0M0 belongs to stage IA2 lung adenocarcinoma, which indicates that the disease is in a relatively early stage, and as long as timely treatment is provided, patients can survive for a long time. According to the statistics of International Association for the Study of Lung Cancer, its 5-year survival rate is about 83%. The survival rate of T1bN0M0 lung adenocarcinoma is related to the staging of the tumor. According to TNM staging criteria, T1b in T1bN0M0 lung adenocarcinoma indicates that the size of lung adenocarcinoma is between 1cm and 2cm, N0 means no lymph node metastasis, while M0 means no distant metastasis is found. Therefore, T1bN0M0 belongs to stage IA2 lung adenocarcinoma, which indicates that the tumor cells are still in the early stage at this time, and the degree of malignancy is relatively low. According to the global statistics of International Association for the Study of Lung Cancer, the 5-year survival rate of most patients at this time is about 83%. Patients can undergo timely surgical treatment under the guidance of doctors to eliminate the cancer cells through resection, thus relieving the condition. As long as the treatment is timely and the post-surgery follow-up is taken care of, then many patients can survive for a long time. Regarding this disease, try to do early detection and early treatment. So that the condition will not deteriorate. In addition, in normal times, patients should develop good living and eating habits, quit smoking and drinking, and eat more fresh fruits and vegetables.