Staged endovascular and surgical treatment of a hemorrhagic colorectal venous malformation In Technical by ferociousdigitalJune 5, 2025 Nassiri N, Crystal DT, Gendel V, Pontoriero F, Tilara A, Murphy S, Lee YH. Staged endovascular and surgical treatment of a hemorrhagic colorectal venous malformation. J Ped Surg. 2017; 21:10-4.