Treatment of Colonic Obstruction With Cook Evolution® Colonic Stent System

Inclusion: per the IFU, * colonic strictures caused by malignant neoplasms, and * large bowel obstruction due to malignant strictures prior to colectomy. Exclusion: * central ischemia, * any contraindication to GI endoscopy and any procedure to be performed in conjunction with stent placement, * suspected or impending perforation, * intra-abdominal abscess/perforation, * inability to pass wire guide or stent deployment system through the obstructed area, * patients for whom endoscopic or percutaneous procedures are contraindicated, * benign disease, and * coagulopathy.