Pulmonary Interstitial Emphysema is related to bronchopulmonary dysplasia and respiratory distress syndrome in premature infants. An important gene associated with Pulmonary Interstitial Emphysema is SFTPB (Surfactant Protein B), and among its related pathways/superpathways are Diseases of glycosylation and Surfactant metabolism. The drugs Plasminogen and Protein C have been mentioned in the context of this disorder. Affiliated tissues include lung and neutrophil, and related phenotype is mortality/aging.