Interstitial Pneumonitis, Desquamative, Familial, also known as desquamative interstitial pneumonia, is related to pulmonary alveolar proteinosis and bronchopulmonary dysplasia, and has symptoms including coughing, cyanosis and respiratory distress. An important gene associated with Interstitial Pneumonitis, Desquamative, Familial is SFTPC (Surfactant Protein C), and among its related pathways/superpathways are Metabolism of proteins and Diseases of glycosylation. Affiliated tissues include lung and lymph node, and related phenotypes are failure to thrive and recurrent upper respiratory tract infections