house-user / For Healthcare Professionals / Videos / Creation of a Retrocolic, Retrogastric... Primary Bariatric Procedure Creation of a Retrocolic, Retrogastric Roux-en-Y Gastric Bypass via the Lesser Sac // url should be variable Member Only Access This content is only available to ASMBS members. If you're already an ASMBS member, you can log in to view it. Login