My wife suffers from the same condition. She had a recent flare-up and we are waiting for test results.

Using my own experience as a guideline (I was diagnosed with a pituitary tumor) I would seek yet another opinion. Right now you have a tie of sorts. The surgeon recommends surgery, the gastro says no to surgery.

How about geting a tie-breaker?

In my case, getting the tie breaker resulted in my receiving the correct (and less intrusive) treatment for my condiiton.

Good luck.

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