<prompt> Intraductal papillary mucin neoplasm is a precursor of-Mucinous cystic neoplasmMucinous non-cystic neoplasmDuctal adenocarcinomaSolid pseudopapillary neoplasm  <response>: Intraductal papillary mucinous neoplasm IPMN IPMN is a papillary neoplasm that arises within the main pancreatic duct MPD or its branches.IPMN is characterized byIntraductal, papillomatous growth patternExcessive mucin secretionExcessive mucin secretion results in progressive ductal dilatation and cyst formationIPMNs are most commonly localized to the head of the pancreas, but they may occur at any site along the pancreatic ductal system.IPMTs are premalignant and may histologically demonstrate areas ranging from hyperplasia to carcinoma within a single tumor.IPMTs which is positive for MUG 2 Intestinal-type secretory mucin may form an adenocarcinoma ductal adenocarcinoma. 