what is fibrotic disease
Pulmonary Fibrosis. Pulmonary fibrosis (PF) is one of a family of related diseases called interstitial lung diseases that can result in lung scarring. As the lung tissue becomes scarred, it interferes with a person's ability to breathe.In some cases, the cause of pulmonary fibrosis can be found.ulmonary fibrosis (PF) is one of a family of related diseases called interstitial lung diseases that can result in lung scarring.