If the nodule is benign, it is usually not serious; if it is malignant, it needs prompt treatment.
The severity of the right lower lobe posterior basal segment ground glass nodule shadow needs to be judged according to the nature of the nodule, if the nodule is <8mm, then most of the cases are benign nodules caused by inflammation. Therefore, in this case, anti-infection treatment can be given first, and observe whether the nodule disappears or shrinks. At the same time, regular follow-up examinations should be conducted to closely monitor the changes of the nodule.
If the ground-glass nodule in the posterior basal segment of the lower lobe of the right lung is large, with uneven density and burrs on the edge, and there are blood vessels passing through the middle of the nodule, and pleural depression sign appears, early lung cancer should be suspected, and it needs to be further examined, and then operated after the diagnosis is clear.