ABC7Chicago.com | Teen receives life-saving rare heart-liver transplant at Children's Hospital ... Wauwatosa Now James Tweddell, MD, cardiothoracic surgeon, performed the heart transplantation. David Cronin, MD, PhD, FACS, abdominal transplant surgeon, performed the liver transplantation. This is the first heart-liver transplant performed on a child, ... Children's performs rare double transplant |