<unk>  is most common in men in their 7th decade. Clinical symptoms are similar to chronic pancreatitis. The main duct type is more likely to be malignant when compared to the branch duct type.
Intraductal papillary mucinous neoplasm
Fibroadenoma
Hilus cell tumor
Hepatocellular adenoma
Mucinous cystadenocarcinoma
Fibrolamellar hepatocellular carcinoma
Pancreatic islet cell carcinoma
Intraductal papilloma