What does it mean to have fibrous foci in the lower lobes of both lungs?

Fibrotic foci in the lower lobes of both lungs are usually due to fibrous tissue left over from lung infections or self-repair after lung injury.
Fibrous foci in the lower lobes of both lungs are more common in tuberculosis infections, which will appear after the infection heals itself, and generally cannot be eliminated on their own, and some patients who have pneumonia cannot completely absorb it and will be left with fibrous foci. If the fibrotic foci are small in scope, they have no effect on the body. If they are large in scope, they may lead to reduced lung function and dyspnea, etc. If there is no symptom, it is not necessary.
If there are no symptoms, no special treatment is needed, regular review can be, if there are symptoms should be timely medical care, clear pathogens, targeted treatment, so as to improve the symptoms.