What happens if a liver transplant is rejected?
Rejection is a normal reaction of the body to a foreign object. Lorsqu'un nouveau foie est placé chez une personne’le corps, the body sees the transplanted organ as a threat and tries to attack it. The immune system makes antibodies to try to kill the new organ, not realizing that the transplanted liver is beneficial

Why not use stem cells to repair the liver instead of risky surgery?
Details – https://nbscience.com/nbs-stem-cells-clinic/