Analyses of genes related to surfactant deficiency and congenital alveolar capillary dysplasia were normal: ATP-binding cassette sub-family A member 3 (ABCA3), surfactant pulmonary-associated protein C and B (SFTPC and SFTPB, respectively) and forkhead box protein F1 (FOXF1). The gene discussed is FOXF1; the disease is Congenital alveolar capillary dysplasia.