I have no experience with either doctor and can only suggest go with the one you trust.
I am glad the stent is relieving some of her problems. So if the hospital discharged her because they couldnt help, did they at least refer you to another hospital? I am not familiar with the abbreviation EUS what is that?
CC doesnt really care if someone does or doesnt drink or smoke. It is useless to try to figure out the whys. If you do, it will only make you crazy. I had a conversation about this with my phychologist. That sometimes I wish it was a lifestyle cancer so I would understand why I got it and then sometimes I am so glad it is not because I would sit around thinking maybe I shouldnt have had such a good time in my early 20s and would have exercised more. But it doesnt work like that. There was little your mother could have done to prevent this. It is extremely unfair.
I will be thinking and sending good vibes for your mother. It is good that you have a large family so everyone can support each other. I hope the procedures go well.
Kris