<prompt> Gasless abdomen on X-ray is seen in what type of trachea-esophageal fistula?Isolated TEFEA with proximal TEFEA with distal TEFEA with double TEF  <response>: In EA with proximal TEF, as there is no connection of the distal esophagus with the trachea or proximal esophagus, gasless abdomen will be seen on X-ray. Classification of TEF: Type A: Atresia only 60 Type B: Atresia with proximal TEF 2 Type C: Atresia with distal TEF 85: most common Type D: Atresia with both proximal and distal TEF rare Type E: Isolated TEF H-type 1 