After surgery for micro-invasive lung adenocarcinoma, the review time in the first two years is once every three months, etc. Microinvasive lung adenocarcinoma is mostly in the early stage of lung cancer, and there is a chance of radical surgical resection, after which adjuvant treatments, such as radiotherapy, can be performed according to the condition of the lung cancer. Because there is a certain recurrence rate of lung cancer after treatment, although it is in early stage, regular review is still needed. In order to detect recurrence early, prolong the survival period and improve the prognosis. The review time varies slightly with the number of years after treatment. Two years after surgery, the review time is usually every 3 months; between 2 and 5 years, every 6 months; after 5 years, every year. Tests such as blood sampling and CT are usually performed.