Esophageal atresia type A.
A. A radiograph of a 1-day-old infant shows a gasless abdomen. A tube is present in the obstructed esophagus. B. A retrograde esophagram at 2 months of age shows a short, blind-ending distal esophageal segment (lower arrow) that does not communicate with the tracheobronchial tree. A tube indicates the level of the upper esophageal pouch (upper arrow).