
Pulmonary alveolar proteinosis-like change: A fairly common reaction associated with the severity of idiopathic pulmonary fibrosis
Keywords: IP, Interstitial pneumonia; PAP, Pulmonary alveolar proteinosis; IPF, I, diopathic pulmonary fibrosis; %FVC, Percent-predicted forced vital capacity; %DLco, Percent-predicted diffusion capacity of carbon monoxide; BAL, Bronchoalveolar lavage; KL-6, Krebs