Lung scarring is not reversible yet. If it grow too much, it might turn into pulmonary fibrosis and kill you in ~5 year. https://www.lung.org/lung-health-disea

Lung scarring is not reversible yet. If it grow too much, it might turn into pulmonary fibrosis and kill you in ~5 year. https://www.lung.org/lung-health-diseases/lung-disease-lookup/pulmonary-fibrosis/introduction/life-expectancy https://www.lung.org/lung-health-diseases/lung-disease-looku... Other fibrosis can be chirgurgically removed (happened to a semi-pro i know of), but this is not possible for the lungs.