https://www.statnews.com/2023/06/21/cryogenic-organ-preservation-transplants/
I'm gonna get ready organs some day to replace my own organs. 
Scientists successfully unfroze rat organs and transplanted them — a ‘historic’ step that could someday transform transplant medicine
In an ‘historic’ first, scientists freeze, thaw, and transplant rat organs — bringing transplant medicine one step closer to sci-fi dreams of stopping biological time.