Pancreatic neoplasms are fluid-filled sacs (cysts) or solid within the pancreas which may benign or malignant. Examples of pancreatic neoplasms include: Acinar cell carcinomaPancreatic carcinoma aka ductal carcinoma of the pancreasPancreatoblastomaPancreatic intraepithelial neoplasia (PanIN)Cystic neoplasms