Lung right pleural basal segment nodule shadow 8mm for a year have not been reduced, the specific treatment plan needs to be combined with other indicators comprehensive judgment. If there is no change at all in the regular review, you can continue to observe; if the solid component of the nodule increases, you can consider puncture biopsy. If the nodule has not changed in one year’s review, it is very likely to be a stable lesion, and can continue to be reviewed annually to observe the specific changes of the nodule. If there is no change in the size of the nodule, but the solid component increases, the nodule is most likely still neoplastic, and the diagnosis can be confirmed by puncture biopsy. If the nodule is determined to be malignant through further examination, it is necessary to be hospitalized as early as possible and undergo radical resection through surgery in order to avoid delaying the disease.