GYPB and rectal cancer: The GPB group had a higher rate of rectum transection with one cartridge (36/63 vs. 51/126, p = 0.030), especially for male (23/37 vs. 29/79, p = 0.010), low rectal cancer (19/43 vs. 20/82, p = 0.023), high BMI (14/21 vs. 19/48, p = 0.038) and tumor > 5 cm (8/9 vs. 9/23, p = 0.032).