<prompt> Intraductal papillary mucin neoplasm is precursor of-Mucinous cystic neoplasmMucinous non-cystic neoplasmDuctal adenocarcinomaSolid pseudopapillary neoplasm  <response>: Ans. is c i.e., Ductal adenocarcinoma Intraductal papillary mucinous neoplasm IPMN1 o IPMN is a papillary neoplasm that arises within the main pancreatic duct MPD or its branches. o IPMN is characterized by i Intraductal, papillomatous growth pattern ii Excessive mucin secretion iii Excessive mucin secretion results in progressive ductal dilatation and cyst formation o IPMNs are most commonly localized to the head of pancreas, but they may occur at any site along the pancreatic ductal system. o IPMTs are premalignant and may histologically demonstrate areas ranging from hyperplasia to carcinoma within a single tumor. o IPMTs which is positive for MUC 2 Intestinal-type secretory mucin may form an adenocarcinoma ductal adenocarcinoma. 