Whether a nodule in the lower lobe of the right lung is serious or not is mainly based on the description of the nodule imaging and the patient’s own situation, as follows: 1, not serious: if the nodule is <5mm, the patient does not smoke, there is no history of tumor in the family, and the patient has no previous lung disease, no history of occupational exposure, that is, not doing that kind of dusty work, it is generally not a big problem, and regular review of CT is sufficient. If the risk of nodules is relatively low and the possibility of lung cancer is relatively small, no special treatment is needed, and regular review of lung CT can be done. 2.Serious: If the nodules are relatively large, solid nodules >8mm, ground glass nodules >6mm, and the patient may also be a smoker, have a history of tumor, and have chronic lung diseases, you need to go to the respiratory department of a regular hospital, or to the hospital. respiratory department of a regular hospital, or oncology department for further examination to clarify the nature of the nodules, and if the nodules are assessed to be possibly malignant, they are early stage lung cancer and require surgery.