GastrectomySyndromeStomach NeoplasmsPostgastrectomy SyndromesAnastomosis, Roux-en-YGastroenterostomyGastric StumpEsophagostomyLaparoscopyDown SyndromeMetabolic Syndrome XDuodenostomyStomachLymph Node ExcisionDumping SyndromeObesity, MorbidStomach DiseasesJejunostomyPostoperative ComplicationsSerous MembraneJejunumTreatment OutcomeVagotomyNephrotic SyndromeZollinger-Ellison SyndromeSjogren's SyndromeGastroscopyStomach UlcerBariatric SurgeryAdenocarcinomaRetrospective StudiesAnastomosis, SurgicalPylorusEsophagusDuodenumGastric BypassTurner SyndromeGastroplastyVagotomy, TruncalDuodenogastric RefluxAnastomotic LeakPeptic UlcerFollow-Up StudiesMelenaDuodenal UlcerAbnormalities, MultipleCarcinoma, Signet Ring CellMyelodysplastic SyndromesCushing SyndromeWeight LossReconstructive Surgical ProceduresAcute Coronary SyndromePolycystic Ovary SyndromeJejunal DiseasesSurgical EquipmentGastric MucosaTime FactorsGastric EmptyingSplenectomyMalabsorption SyndromesWilliams SyndromeSurgical StaplingDuodenoscopesLymphatic MetastasisSurgically-Created StructuresCobalt IsotopesDiGeorge SyndromePacific StatesAlcoholicsHorner SyndromePrader-Willi SyndromeLong QT SyndromeNeoplasm StagingProspective StudiesGastrinsPrognosisSurgical StaplersPostoperative PeriodPyloric AntrumGuillain-Barre SyndromeEsophagitis, Peptic