C. Mel Wilcox, MD, MSPH, co-author of new research on the causes, response to therapy, and long-term outcome of idiopathic pancreatitis, speaks with AJG co-Editor in Chief Dr. Brian Lacy about the evolving definition of idiopathic pancreatitis, the role of EUS vs MRCP in its diagnosis, and when you should consider pancreas divisum or autoimmune disorders in your etiology. (12:35)