Then, in 2008, Gregg was diagnosed with liver cancer. Doctors believed he was cancer-free two years later, and
in 2010 he received a liver transplant. Gregg later developed atrial fibrillation, an irregular heartbeat.
Dr. Gabriel Mirkin, a graduate of Harvard University and a physician for more than 50 years, told the ENQUIRER: “To accept someone else’s liver, you have to receive drugs that will suppress your immune system. That may have allowed the cancer cells to come back!”