Endoscopic treatment for dysphagia caused by mid-esophageal diverticulum and diffuse esophageal spasm: A case report

Figure 2 Upper gastrointestinal pan-glucosamine contrast. A: A cystic shadow is visible on the right side of the middle esophagus, measuring approximately 3.0 cm × 3.0 cm. This was connected to the lumen of the esophagus, and barium could be seen entering and exiting the esophagus; B: A saccular pouching exophthalmos is visible on the right side of the esophagus, with rigidity of the esophageal wall and narrowing of the lumen in the lower part of the esophagus; C: A cystic shadow measuring approximately 2.1 cm × 2.6 cm was seen in the right side of the middle esophagus. String-like changes in the body of the esophagus were visible, accompanied by narrowing of the lumen in the lower and middle esophagus.