Assertion: idiopathic pulmonary fibrosis | /r/HasProperty | a type of lung disease
Facets:
Source sentences:
text: Idiopathic pulmonary fibrosis (IPF) is a type of lung disease that results in scarring of the lungs, also known as fibrosis.
text: Idiopathic pulmonary fibrosis (IPF) is a type of lung disease that results in scarring (fibrosis) of the lungs for an unknown reason.