S0830 The Impact of Vedolizumab on Pre-Existing Extraintestinal Manifestations of Inflammatory Bowel Disease: A Multicenter Study. (October 2020) - Ramos, Guilherme Piovezani; Dimopoulos, Christina N.; McDonald, Nicholas M.; Janssens, Laurens P.; Hung, Kenneth H.; Proctor, Deborah; Ruggiero, Elizabeth; Bruning, David H.; Faubion, William; Raffals, Laura; Loftus, Edward V.; Al-Bawardy, Badr