GastrectomyLaparoscopyStomach NeoplasmsLymph Node ExcisionCholecystectomy, LaparoscopicAnastomosis, Roux-en-YPostgastrectomy SyndromesGastroenterostomyLaparoscopesPostoperative ComplicationsGastric StumpObesity, MorbidTreatment OutcomeGastroplastyPneumoperitoneum, ArtificialRoboticsAppendectomyFundoplicationDuodenostomyEsophagostomyOperative TimeRetrospective StudiesLength of StayJejunostomySurgical MeshGastric BypassGynecologic Surgical ProceduresColectomyNephrectomyLaparotomyStomachAnastomosis, SurgicalSurgical StaplingCholecystectomyIntraoperative ComplicationsCholelithiasisSplenectomyHernia, InguinalStomach DiseasesGallstonesSuture TechniquesDigestive System Surgical ProceduresHysterectomyAnastomotic LeakDumping SyndromeBariatric SurgeryBlood Loss, SurgicalHand-Assisted LaparoscopyGallbladder DiseasesAppendicitisFollow-Up StudiesJejunumLearning CurveHernia, VentralSurgical InstrumentsGastroscopyHerniorrhaphySerous MembraneCholecystitisUmbilicusFeasibility StudiesPylorusCholecystitis, AcuteUrologic Surgical ProceduresAdenocarcinomaVagotomyProspective StudiesEsophagus