https://www.bbc.com/news/articles/c4n1l9g2wn9o Ultimately, it would be ideal to make a clone of the specific body part that needs to be replaced.
https://science.howstuffworks.com/life/genetic/cloned-organ-transplant.htm
https://abcnews.go.com/Health/recipient-pig-kidney-transplant-dies-2-months/story?id=110139515
Of course any surgery, and or recovery process, has its risks.
https://hms.harvard.edu/news/first-genetically-edited-pig-kidney-transplanted-human
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9878146/
https://en.wikipedia.org/wiki/Organogenesis
https://www.nature.com/subjects/organogenesis
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1475508/#abstract-a.b.b.otitle
https://www.snexplores.org/article/stem-cells-lab-grown-organs-organoid
https://www.sciencedaily.com/releases/2022/06/220614122711.htm
https://www.genome.gov/about-genomics/fact-sheets/Cloning-Fact-Sheet
Alice Cooper - Clones (We're All ) 1982 https://www.youtube.com/watch?v=8xhnUA3b_No , https://alicecooper.com