<unk>  is a congenital medical condition (birth defect) that affects the alimentary tract. It causes the esophagus to end in a blind-ended pouch rather than connecting normally to the stomach. It comprises a variety of congenital anatomic defects that are caused by an abnormal embryological development of the esophagus. It is characterized anatomically by a congenital obstruction of the esophagus with interruption of the continuity of the esophageal wall.
Esophageal atresia
Gastric atresia
Esophageal achalasia
Hiatal hernia
Tracheoesophageal fistula
Atresia
Duodenal atresia
Situs inversus