Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-020-00974-y/MediaObjects/40792_2020_974_Fig3_HTML.png)
a Two weeks after the MCA, a contrast examination was performed, confirming the outflow of the contrast agent form the esophagus to the colon. b The endoscopic examination 2 weeks after MC revealed that the lumen was about 5 mm. c Endoscopy 1 month after MCA. The bougie is repeating. d Endoscopy 6 months after MCA. After a total of 18 bougies, no more bougies were needed