<prompt> All are resected in whipples operation except ?DuodenumHead of pancreasNeck of pancreasCommon bile duct  <response>: Whipples operation Pancreaticoduodenectomy is the most commonly performed operation for carcinoma of head of pancreas. It includes resection of: - distal stomach - duodenum - gall bladder - proximal jejunum - CBD - regional lymphatics - head of pancreas Restoration of gastrointestinal continuity requires - pancreaticojejunostomy choledochojejunostomy - gastrojejunostomy 