Fig. 5
From: Cricopharyngeal myotomy for cricopharyngeus muscle dysfunction after esophagectomy
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-020-00961-3/MediaObjects/40792_2020_961_Fig5_HTML.png)
Swallow functional test after cricopharyngeal myotomy. a The bolus easily entered the esophagus during laryngeal elevation in the pharyngeal phase. b Slight laryngeal penetration occurred in the esophageal phase. c Breathing was reinitiated with a small amount of pharyngeal residue. Yellow arrow; Hyoid bone, Blue arrow; Esophageal orifice