This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Medicine
What diagnosis is suggested by this barium swallow? 
Select and explain. 
A. Ingested foreign body, B. Esophageal diverticula, C. Diffuse esophageal spasm, D. Gastric linitis plastica
C: Diffuse esophageal spasm
Answer: C: Diffuse esophageal spasm 
Explanation: Answer C. Diffuse esophageal spasmRadiographs of the esophagus that were performed with the use of barium contrast material showed a spiral formation of the barium column up to the cervical esophagus, most consistent with diffuse esophageal spasm.