Pulmonary Fibrosis, also known as fibrosis of lung, is related to interstitial lung disease 2 and interstitial lung disease, and has symptoms including progressive shortness of breath, coughing and hemoptysis. An important gene associated with Pulmonary Fibrosis is PARN (Poly(A)-Specific Ribonuclease), and among its related pathways/superpathways are Diseases of glycosylation and Chromosome Maintenance. The drugs Canrenoic acid and Spironolactone have been mentioned in the context of this disorder. Affiliated tissues include Lung and bone marrow, and related phenotypes are homeostasis/metabolism and growth/size/body region