Unless fibrosis has progressed beyond recovery, symptoms should improve, sometimes dramatically, in the absence of such allergens. Depending on the extent of fibrosis at the time of their diagnosis and how well they follow recommended treatment protocols (especially avoidance of allergens), many<unk>  patients make a full recovery. However, symptoms may recur quickly upon re-exposure to<unk> s or related allergens.
Bird fancier's lung
Farmer's lung
Metsovo lung
Underwood's septa
Saber-sheath trachea
Surfer's knots
World Trade Center lung
Fiddler's neck