endoscopic retrograde cholangiopancreatography
The use of an endoscope to inspect the pancreatic duct and common bile duct. It may also involve biopsy or the introduction of contrast material for radiographic examination.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.