An intraductal papillary mucinous neoplasm (IPMN) is a benign or noncancerous cyst in the ducts of the pancreas. The cysts are sometimes precancerous, which means they may lead to pancreatic cancer.

The papillary fibroelastoma (arrow) was removed via the transaortic route with preservation of the aortic valve. The tumor had a gelatinous structure and a diameter of 5 mm. Pathological specimen ...