Enteral Stents for Colonic Obstruction

The purpose of this study is to verify whether stent positioning for malignant obstruction of the colon and rectum followed by elective surgery allows reduction of postoperative complications and hospital stay without worsening of evolution of the neoplastic illness, compared to emergency surgery.
Primary endpoint will be 60 days postoperative morbidity. Others endpoints will be postoperative mortality, length of hospital stay, need for analgesia.