This video demonstrates extrinsic compression of the third portion of the duodenum by the SMA, as well as bile proximal to the compression. Video donated by: Antoinette Hu, MD and Eric M Pauli MD 207 Share this:TwitterXFacebookLinkedInPinterestWhatsAppRedditPocketMastodon Related Video Uploaded By: SAGES Webmaster Uploaded on 10/16/2022 Learning ThemesFlexible EndoscopySources2022 Video Atlas of EndoscopyPresentation TypesProcedureVideo Tagsairway, biliary tree, colon, duodenum, esophagus, Gastric, Oropharynx, Other, small bowel, stomach