Lee A. Grant, MBChB, BA (Oxon), MRCS, FRCR is Consultant Radiologist, The Royal Free NHS Foundation Trust, London. He is a co-author of . MORE
Joel K. Greenson, MD is Professor of Gastrointestinal and Hepatobiliary Pathology and Anatomic Pathology at the University of Michigan Medical School in Ann Arbor. He is the editor and co-author of Diagnostic Pathology: Gastrointestinal, 3rd Edition. MORE