Newborn with failure to pass a nasogastric tube and a distended abdomen

CXR | AXR shows a nasogastric tube in the proximal esophagus and a massively distended abdomen. Transverse US image of the upper abdomen (below) shows a dilated duodenal bulb (left) and a dilated stomach (right), a double-bubble sign.

The diagnosis was esophageal atresia without tracheo-esophageal fistula and duodenal atresia.