Wyke, M. N. Z.; Thant Lwyn San; Khin Aung Htun. Severe Long-Segment Ischemic Colitis Associated With an Underlying Colonic Vascular Malformation in a Patient With a Synchronous Rectal Tubulovillous Adenoma With High-Grade Dysplasia: A Case Report. International Journal Of Medical Science And Clinical Research Studies 2026, 6, 1496-1505.