the histopathologic and ultrastructural features of intraluminal organizing and fibrotic changes were studied in open lung biopsies and autopsy specimens from 373 patients with interstitial lung disorders , including hypersensitivity pneumonitis ( n = 44 ) , idiopathic pulmonary fibrosis ( n = 92 ) , collagen-vascular diseases ( n = 20 ) , chronic eosinophilic pneumonia ( n = 10 ) , pulmonary histiocytosis x ( n-90 ) , pulmonary sarcoidosis ( n = 62 ) , pneumoconioses ( n = 25 ) , legionnaire 's disease ( n = 5 ) , drug- and toxin-induced pneumonitis ( n = 4 ) , radiation-induced pneumonitis ( n = 2 ) , lymphangioleiomyomatosis ( n = 11 ) , and chronic organizing pneumonia of unknown cause ( n = 8 ) .
C0206062
interstitial lung disorders
C0036205
pulmonary sarcoidosis