Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Macroscopic: Large enough to be seen with the naked eye,
as opposed to microscopic. For example, a macroscopic tumor is big enough to be seen without the aid of a microscope. From the Greek
macro- (large, long) + -scopic, from skopos (aim, mark).