dx? chronic progressive interstitial scarring (fibrosis) of lung tissue from persistent inflammation, MC in smokers, men 40-50y, and w/ survival of <10y at time of diagnosis; what will be seen on CXR/CT? PFT? what is the tx? a) Idiopathic pulmonary fibrosis (IPF);
b) Sarcoidosis;
c) Hypersensitivity pneumonitis;
d) Cryptogenic organizing pneumonia