StomachStomach NeoplasmsStomach DiseasesNeoplasmsPancreatic NeoplasmsGastric MucosaStomach UlcerNeoplasms, Cystic, Mucinous, and SerousNeoplasms, Multiple PrimarySkin NeoplasmsGastrointestinal NeoplasmsNeoplasms, Second PrimaryKidney NeoplasmsAdenocarcinoma, MucinousThyroid NeoplasmsImmunohistochemistryRetrospective StudiesLung NeoplasmsLiver NeoplasmsDNA, NeoplasmMyeloproliferative DisordersPyloric AntrumTreatment OutcomeParotid NeoplasmsCystadenomaOvarian NeoplasmsNeoplasms, Connective and Soft TissueNeoplasms, Plasma CellAppendiceal NeoplasmsAdenocarcinomaNeoplasms, ExperimentalEndocrine Gland NeoplasmsIntestinal NeoplasmsStomach RuptureNeoplasm StagingCystadenoma, MucinousTime FactorsNeoplasms, Radiation-InducedGastrectomyAdenomaGastric FundusUterine NeoplasmsEye NeoplasmsCarcinoma, Pancreatic DuctalLymphomaNose NeoplasmsAdenocarcinoma, PapillaryGastroscopyNeoplasms, Vascular TissueNeoplasm ProteinsTesticular NeoplasmsCarcinoma, PapillarySalivary Gland NeoplasmsTomography, X-Ray ComputedStomach VolvulusColonic NeoplasmsSoft Tissue NeoplasmsHematologic NeoplasmsNeoplasms, Muscle TissueNeoplasms, Glandular and EpithelialBone NeoplasmsCystadenocarcinoma, MucinousNeoplasm InvasivenessDuodenal NeoplasmsAntigens, NeoplasmTumor Markers, BiologicalDigestive SystemNeoplasms, Adnexal and Skin AppendageBile Duct NeoplasmsDuodenumFollow-Up StudiesVascular NeoplasmsHelicobacter pyloriSweat Gland NeoplasmsColorectal NeoplasmsGastric JuiceDog DiseasesPalatal NeoplasmsNeoplasms, Complex and MixedSplenic NeoplasmsDigestive System NeoplasmsGastric AcidThymus NeoplasmsHeart NeoplasmsMandibular NeoplasmsCystadenocarcinomaGastrointestinal MotilityBiopsyPancreatectomyCarcinomaCystadenoma, SerousMaxillary NeoplasmsFatal OutcomeHelicobacter InfectionsBreast NeoplasmsGastrinsMeningeal NeoplasmsNeoplasm Recurrence, LocalAnal Gland NeoplasmsEsophageal Neoplasms