Early lung development.
D001998:Bronchopulmonary Sequestration / Q000196:embryology; D004947:Esophagus / Q000002:abnormalities / Q000196:embryology; D006801:Humans; D008168:Lung / Q000002:abnormalities / Q000196:embryology*; D008171:Lung Diseases / Q000196:embryology*; D014138:Tracheoesophageal Fistula / Q000196:embryology