The transportation of a donated liver by placing it into a 'box' (machine) that provide 'normothermic' (standard temperature) perfusion.

• https://www.mayoclinic.org/medical-professionals/transplant-medicine/news/liver-in-a-box-offers-potential-for-providing-liver-transplant-to-more-patients/mac-20533186
• https://news.ohsu.edu/2023/08/16/liver-in-a-box-helps-save-more-lives-can-improve-transplant-outcomes