Postoperative day 1: Alb decrease ≥5 g/L (n = 36, 18.0%).30-day complications (n = 49, 23.9%): Ileus (n = 17, 8.3%), bleeding (n = 12, 5.9%), infection (n = 20, 9.8%), and anastomotic leakage (n = 5, 2.4%); 7 cases (3.4%) had multiple complications. This evidence concerns the gene ALB and infection.