Posted on January 19th, 2012 by
Mark Callahan, Mayo Clinic Cardiologist, died Wednesday, Dec. 28, 2011, nine days after being diagnosed with pancreatic cancer. He grew up in Rochester and attended Harvard University and the University of Minnesota medical school. Mark completed an Internal Medicine residency and Cardiology training at the Mayo Clinic from 1978 to 1984. He specialized in Echocardiography.
You must be logged-in to the site to post a comment.