<prompt> All of the following are causes of duodenal obstruction syndrome, ExceptMalnutritionHigh attachment of mesenteryLong mesenteryPancreatic cancer  <response>: Duodenal obstruction syndrome can be due to causes such as high attachment of mesentery, unusually long mesentery, and also in pancreatic cancer. ref : SRB;s manual of surgery,3 rd ed,pg no 702 