GastrectomyStomach NeoplasmsPostgastrectomy SyndromesAnastomosis, Roux-en-YGastroenterostomyGastric StumpEsophagostomyLaparoscopyLymph Node ExcisionEarly Detection of CancerStomachDuodenostomyDumping SyndromeStomach DiseasesObesity, MorbidAdenocarcinomaRetrospective StudiesPostoperative ComplicationsJejunostomySerous MembraneJejunumTreatment OutcomeVagotomyGastroscopyFollow-Up StudiesNeoplasm StagingProstatic NeoplasmsSurvival RateNeoplasm InvasivenessOvarian NeoplasmsStomach UlcerPrognosisBreast NeoplasmsLung NeoplasmsBariatric SurgeryPancreatic NeoplasmsNeoplasm MetastasisColonic NeoplasmsEsophagusProspective StudiesPylorusAnastomosis, SurgicalDuodenumSurvival AnalysisGastric BypassCarcinoma, Signet Ring CellNeoplasm Recurrence, LocalNeoplasmsZollinger-Ellison SyndromeAnastomotic LeakGastroplastyVagotomy, TruncalChemotherapy, AdjuvantCarcinomaPeptic UlcerGene Expression Regulation, NeoplasticMice, NudeCancer VaccinesDuodenogastric RefluxAntineoplastic Combined Chemotherapy ProtocolsGastric MucosaEsophageal NeoplasmsMelenaDuodenal UlcerNeoplasm ProteinsGenetic Predisposition to DiseaseReconstructive Surgical ProceduresWeight LossDisease-Free SurvivalAntineoplastic AgentsCarcinoma, Squamous CellUterine Cervical NeoplasmsJapanCombined Modality TherapyRisk AssessmentSurgical EquipmentTumor Markers, BiologicalJejunal DiseasesSurgical StaplingMultivariate AnalysisDuodenoscopesGastric EmptyingLymphatic MetastasisDrug Resistance, NeoplasmSplenectomyTime FactorsCobalt IsotopesUrinary Bladder NeoplasmsCarcinoma, Non-Small-Cell LungRisk FactorsNational Cancer Institute (U.S.)Disease ProgressionRiskAge FactorsPostoperative PeriodReverse Transcriptase Polymerase Chain ReactionPancreatectomyPacific StatesCell Line, TumorOrgan Sparing Treatments