Endoscopic Placement of Metal Stent in Patients With Cancer-Related Bowel Obstruction

OBJECTIVES: * Determine the objective response and clinical outcome in patients with colonic obstruction secondary to malignancy treated with enteral Wallstents. * Evaluate the efficacy and safety of this treatment in these patients. * Evaluate the quality of life of these patients after enteral Wallstent placement. OUTLINE: All patient undergo a colonoscopy, followed by placement of an enteral Wallstent through an endoscope under fluoroscopic guidance into the large intestine. Quality of life is assessed at 48 hours and 6 months after the procedure. Patients are followed at 48 hours, 30 days, 6 months, and then yearly thereafter until death. PROJECTED ACCRUAL: A total of 20 patients will be accrued for this study.