241P Treatment and outcomes of patients with gastrointestinal toxicity following immunotherapy: A large multi-center retrospective study in the United Kingdom by the National Oncology Trainees Collaborative for Healthcare Research (NOTCH). (December 2022) - Swaminathan, M.; Angelakas, A.; Baxter, M.; Cotton, J.; Dobeson, C.B.; Feeney, L.; Gault, A.C.; Hughes, D.J.; Jones, C.; Lee, R.; Mughal, S.A.; Parikh, S.P.; et al.