<prompt> Most common congenital anomaly of pancreas is?Pancreatic divisumAccessory pancreasAnnular pancreasDevelopmental pancreatic cysts  <response>: .PANCREATIC DIVISUM-It is failure of fusion of ventral pancreatic duct Wirsungs duct is opening distally with dorsal pancreatic duct Santorinis duct is opening proximally. ANNULAR PANCREAS-It is due to failure of complete rotation of ventral bud of pancreas, so that ring of pancreatic tissue encircles the 2nd pa of the duodenum causing obstruction. ECTOPIC ACCESSORY PANCREATIC TISSUE- Sites Stomach wall. Small intestine. Meckels diveiculum. Greater omentum. Splenic hilum. - In the bowel it may be in the submucus or intramuscular plane. It may precipitate intussusception. - About 30-33 contain islet of Langerhan cells. Often endocrine pancreatic tumour can arise from ectopic pancreas. - It may cause upper GI bleed. ref:SRB;S manual of surgery,ed 3,pg no 642 