S1156 The Use of a Flexible Rigidizing Overtube for Endoscopic Retrograde Cholangiopancreatography in Post-Whipple Anatomy. (October 2022) - Lee, Jeffrey H.; Yu, Abraham; Liu, Cynthia; Ali, Faisal; Weston, Brian; Ross, William; Lum, Phillip; Ge, Phillip; Coronel, Martin; Coronel, Emmanuel