Lung adenocarcinoma stage 1b does not always recur. Lung adenocarcinoma stage 1b belongs to the early stage of cancer, usually after taking radical surgical resection treatment, the survival period of patients is prolonged accordingly, and they can work and live as normal people, and usually will not recur. However, if lung adenocarcinoma stage 1b is not treated in time or the treatment method is inappropriate and fails to inhibit the development of the tumor, resulting in the tumor cells metastasizing to lymphatic vessels or blood vessels, it will recur and further spread and metastasize. Therefore, even in stage 1b lung adenocarcinoma, one should pay enough attention to it, and it is recommended to go to regular hospitals for systematic treatment as soon as possible to effectively inhibit the growth and spread of tumor cells. At the same time, one should follow the doctor’s instructions for regular review and pay attention to the changes of the condition, and timely treatment once abnormalities are found to avoid recurrence and metastasis.