A total of 123 patients who received elective radical gastrectomy for gastric cancer from February 2010 to August 2011 were prospectively enrolled and randomly divided into radical proximal gastrectomy and jejunal interposition group , radical proximal gastrectomy and esophageal with the posterior of residual-stomach group , and radical total gastrectomy and Roux-en-Y esophagojejunostomy group .