I understand that lung scarring for the "lightly" symptomatic can be ... not insignificant. I know it is for me (age: 55 y.o. or so), and while it isn't being

I understand that lung scarring for the "lightly" symptomatic can be ... not insignificant. I know it is for me (age: 55 y.o. or so), and while it isn't being currently problematic, but I have no idea about how it might present in 20 years.