My brother has strictures and still vomits daily, 6 months after gastric bypass. What can be done?

Vomiting after bariatric surgery is not a typical side effect and there are usually underlying causes for it. In this particular case, we see a patient with strictures. Meaning the area around the incision scars over and creates a smaller opening than desired.  
So what  can be done to stop the vomiting? And, how do we stretch the strictures to allow for normal food passage? Dr. Matthew Weiner explains.  
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