You walked out of the hospital with the general impression that you broke your shoulder in two places. You get that. You don't really want to hear the medical terms. You're more interested in the pain. It really hurts. And they've said its inoperable and could take up to a year to heal on its own.
For those who do want the medical terms: Proximal fracture of the humerus shoulder bone: what the heck is that? See the diagrams and pictures below.