Yes, it happens.
However, it can be very problematic if you are trying to transfer from a 6-year program (and you haven't completed a bachelor's degree in North America) into a 4-year Carib program. You can't double-dip your years of medical school and legally count them as pre-med, as well, see what I'm saying?
"When I haven't any blue... I use red."
- Pablo Picasso
"You cannot allow any of your people to avoid the brutal facts. If they start living in a dream world, it's going to be bad."
- Marine General James "Mad Dog" Mattis