The Pennsylvania Idiopathic Pulmonary Fibrosis State-wide Research Registry (PA-IPF) is a cooperative project between five medical centers to coordinate a team of investigators. The aim of this registry will be: 1) To assess the extent of lung fibrosis in the commonwealth of Pennsylvania 2) To provide better access of patients with pulmonary fibrosis in all regions of Pennsylvania to standard of care and diagnosis 3) To facilitate the translation of new therapeutic interventions from the bench to the bedside.