This study has been designed to support the working hypothesis that emergency surgery in a colon obstruction neoplasm is better than stent bridge due to better oncological outcomes. The primary objective is to analyse the importance of ERAS program implementation in emergency colon obstruction surgery

Inclusion Criteria

• All adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer. Informed consent will be obtained from all subjects who will participate in the study voluntarily.
• ASA I, II and III
• No more than 5 days from symptoms onset.
• Absence of proximal colon severe dilatation( no more than 8 centimeters), severe malnutrition.
• No Inmunocompromised patients
• Patients suffer from segmentary colectomy, with or without anastomosis with o witjhout lateral ileostomy
• Patients suffer from Hartmann procedure.

Exclusion criteria:

• Patient refusal.
• Patients under 18 years of age.
• ASA IV
• Stent placement
• ICU stay more than 2 days
• Peritonitis
• Out of protocol if patient would need total parenteral nutrition(NPT) during postoperative or Clavien-Dindo more or equal than II.

Adult patients (aged >18 years) with a diagnosis of Malignant obstruction colorectal cancer.