<prompt> Cork screw esophagus is seen in -Diffuse esophageal spasmAchalasia cardiaCA esophagusGlobus hystericus  <response>: Ans. is a i.e., Diffuse esophageal spasm o Radiological appearances of diffuse esophageal spasm have been described as:Curling esophagusCorkscrew esophagus orPseudodiverticulosiso Diffuse esophageal spasm is a motor disorder of esophagus characterized by repetitive simultaneous non-peristal tic contractions.o Symptoms are substernal chest pain andor dysphagiao Diagnosed by manometry 