Duodenal NeoplasmsPancreatic NeoplasmsDuodenal DiseasesNeoplasmsNeoplasms, Cystic, Mucinous, and SerousDuodenal ObstructionNeoplasms, Multiple PrimaryBrunner GlandsIntestine, SmallSkin NeoplasmsJejunumStomachIntestinal MucosaDuodenoscopyKidney NeoplasmsNeoplasms, Second PrimaryGastrointestinal MotilityDuodenitisAdenocarcinoma, MucinousImmunohistochemistryThyroid NeoplasmsIleumMyeloproliferative DisordersIntestinal NeoplasmsGastrointestinal NeoplasmsPancreasDNA, NeoplasmPancreaticoduodenectomyLung NeoplasmsParotid NeoplasmsCystadenomaNeoplasms, Connective and Soft TissueNeoplasms, Plasma CellAppendiceal NeoplasmsPylorusIntestinal AbsorptionLiver NeoplasmsPyloric AntrumAdenomaCystadenoma, MucinousOvarian NeoplasmsIntestinesEndocrine Gland NeoplasmsCarcinoma, Pancreatic DuctalNeoplasms, ExperimentalNeoplasms, Vascular TissueMyoelectric Complex, MigratingCommon Bile Duct NeoplasmsEye NeoplasmsNose NeoplasmsDigestionPancreatic JuiceSalivary Gland NeoplasmsNeoplasms, Radiation-InducedBile Duct NeoplasmsAdenocarcinoma, PapillaryCarcinoma, PapillaryNeoplasm ProteinsTesticular NeoplasmsDigestive SystemPancreatectomyNeoplasms, Muscle TissueNeoplasms, Glandular and EpithelialCystadenocarcinoma, MucinousNeoplasm StagingSoft Tissue NeoplasmsHematologic NeoplasmsSecretinAmpulla of Vater