As compared to traditional group , incidence of reflux esophagitis decreased [ 20.0 % ( 16/80 ) vs. 46.6 % ( 34/73 ) , P < 0.01 ] and gastric emptying time prolonged obviously [ ( 160.88.1 ) min vs. ( 61.110.8 ) min , P < 0.01 ] in 3S anastomosis group 18 months after operation .