I'll admit I was skeptical of this idea when I first read the abstract, but it's growing on me already.

The American Journal of Roentgenology published a retrospective review of all referrals to an academic interventional radiology service to determine how many of the referrals would be appropriate for a hospice and palliative medicine subspecialist.  In brief, 81% of referrals were deemed appropriate for either hospice or palliative care with about half of patients having a malignancy, 20% having end stage renal disease, and a smaller percentage having end stage liver disease or heart disease and other diagnoses.