 Pulmonary fibrosis is essentially scarring in the lungs. Some types DIP, NSIP most often respond to therapy. Others like UIP usual interstitial pneumonitis rarely respond. UIP frequently progresses and has a poor prognosis with a survival of three to five years. In UIP, most often the cause cannot be determined and is therefore called Idiopathic Pulmonary Fibrosis IPF. A prevalence rate of 2729 cases100,000 has been reported that may even be as high as 250 cases100,000 in individuals 75 years of age. 