COPD Signs and Symptoms

Idiopathic Pulmonary Fibrosis (IPF)

Web Site Pulmonary fibrosis (PF) is a type of lung disease that affects the space between the air sacs in the lung. The lung tissue becomes scarred and stiff, and over time the scarring and stiffness may become more widespread. In turn, the lungs lose their ability to transfer oxygen to the bloodstream, resulting in