Kryscilla J. Yang, MD, clinical instructor for the NYU Langone Transplant Institute, from left, and Robert Montgomery, MD, H. Leon Pachter, MD, Professor of Surgery, chair of the NYU Grossman School of Medicine Department of Surgery, and director of the NYU Langone transplant Institute, prepare patient Towana Looney to receive a gene-edited pig kidney at NYU Langone Health in New York City on Nov. 25, 2024. (Joe Carrotta/NYU Langone Health via AP)