Pretty sure this is a match violation unless you get a waiver from both programs.
Also doubt anyone will agree to this swap.
Better to start your current residency and apply to programs off cycle or look for spots to open up. You only need to be there for a certain number of days to fulfill the terms of the NRMP if I'm remembering correctly (think it was along the lines of a couple of months, maybe less).
You're not going to find anyone in a tristate area radiology program looking to switch to an unknown region in PM&R.