GastrectomyStomach NeoplasmsPostgastrectomy SyndromesAnastomosis, Roux-en-YGastroenterostomyGastric StumpLaparoscopyEsophagostomyDuodenostomyLymph Node ExcisionStomachPostoperative ComplicationsObesity, MorbidDumping SyndromeStomach DiseasesJejunostomyTreatment OutcomeSerous MembraneJejunumVagotomyGastroscopyBariatric SurgeryStomach UlcerRetrospective StudiesAnastomosis, SurgicalAdenocarcinomaPylorusEsophagusGastric BypassDuodenumReconstructive Surgical ProceduresGastroplastyZollinger-Ellison SyndromeAnastomotic LeakVagotomy, TruncalDuodenogastric RefluxFollow-Up StudiesPeptic UlcerMelenaDuodenal UlcerTime FactorsCarcinoma, Signet Ring CellSurgical EquipmentSurgical StaplingWeight LossLymphatic MetastasisJejunal DiseasesDuodenoscopesGastric MucosaSplenectomyGastric EmptyingCobalt IsotopesPostoperative PeriodNeoplasm StagingSurgically-Created StructuresPacific StatesSurgical StaplersAlcoholicsPancreatectomySurgical Procedures, OperativePyloric AntrumProspective StudiesDigestive System Surgical ProceduresEsophagitis, Peptic