Inclusion Criteria:  Patients undergoing urgent/emergent colon resection (less than 24 hours after decision to operate) by an acute care surgeon  Exclusion Criteria:  Elective operations performed by acute care surgeons within 24-hours of the decision to operate (e.g., scheduled resection of non-obstructed, non-perforated malignancy) Prisoners Pregnancy Wards of the state Patients less than 18-years of age Traumatic mechanisms of injury Death within 24-hours of index operation