S20 Common Bile Duct Dilation After Roux-en-Y Gastric Bypass Surgery. (October 2021) - Earl, Victoria; Allamneni, Chaitanya; Desai, Nikita; Zheng, Ziduo; Krafty, Robert; Patel, Vaishali; Keilin, Steven; Willingham, Field; Sekhar, Aarti; Lin, Edward; Chawla, Saurabh