<prompt> Pylorus preventing pancreatico duodenectomy - Structure preservedDistal stomachGall bladderBile ductHead of pancreas  <response>: Ans. a Distal StomachRef: Sabiston 20th ed; pg. 1549 Whipples Pancreatico Duodenectomy Procedure is the conventional procedure for Cancer head of Pancreas. This Procedure is modified by Traverso and Longmire - Pylrous Preserving Pancreatico Duodenectomy with advantage of less dumping syndrome and Bile reflux. The main difference between the conventional and Pylorus preserving is we preserve the distal stomach with pylorus here. 