In my case, it not even a hospital, it is an outpatient surgical center, they installed it and i went home the same day, ( was 3 hours)…
He is doing his job, keep an open mind and hear what he has to say and he is going to give you his recommendation. Ask him what the average vet implanted with CI gets speech recognition score.
In my case (and I am not a vet), i was told, 80% and he was right on the money. I joked with my current CI audiologist (i moved), Can I get a CI for my HA ear? she said, no because testing showed I am performing on par with my CI ear.