Fig. 4. (A) Esophagograhy shows a stricture at the cervical esophagus (arrow). (B, C) The stricture was dilated using a 16-mm balloon catheter. (D) Contrast agent passed easily through the dilated stricture on post-procedure esophagogrpahy.

Gastrointestinal Intervention 2018;7:172~175 https://doi.org/10.18528/gii170030

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