S699 Isolated Anastomotic Lesions Do Not Increase Risk for Severe Endoscopic Disease Progression in Postoperative Crohn's Disease. (October 2021) - Bachour, Salam P.; Shah, Ravi S.; Lyu, Ruishen; Rieder, Florian; Qazi, Taha; Lashner, Bret; Achkar, Jean-Paul; Philpott, Jessica; Barnes, Edward L.; Axelrad, Jordan; Holubar, Stefan D.; Lightner, Amy L.; et al.