ALAT	Asociación Latinoamericana de Tórax
ATS	American Thoracic Society
COP	Cryptogenic organizing pneumonia
COPD	Chronic obstructive pulmonary disease
CT	Computed Tomography
CTD-ILD	Connective tissue disease-associated interstitial lung disease
DIP	Desquamative interstitial pneumonia
ERS	European Respiratory Society
HP	Hypersensitivity pneumonitis
HRCT	High-resolution computed tomography
ILD	Interstitial Lung Disease
IPAF	Interstitial pneumonia with autoimmune features
IPF	Idiopathic pulmonary fibrosis
JRS	Japanese Respiratory Society
LTOT	Long-term oxygen therapy
NSIP	Nonspecific interstitial pneumonia
PPF	Progressive Pulmonary Fibrosis
SLB	Surgical Lung Biopsy
UIP	Usual interstitial pneumonia