Xenophilia.

The transplant team at NYU has successfully transplanted a kidney from a pig, genetically engineered to knockout a gene known to elicit human rejection of porcine xenotransplants, to a human—granted it was transplanted outside the abdomen to vessels from the lower extremity as simply a proof of principle on a family-consented patient who has suffered brain death, but it passed with flying colors making urine and creatinine “almost immediately.” | New York Times 2021