Anastomotic LeakAnastomosis, SurgicalColorectal SurgerySurgical StaplingSurgical SpongesColectomyEsophagostomySurgical Wound DehiscenceSurgical StaplersEsophagectomyProsthesis RetentionDigestive System Surgical ProceduresRectumPostoperative ComplicationsColon, SigmoidColonic DiseasesRectal NeoplasmsColostomyGastrectomyDrainageDecontaminationColonRectal DiseasesSuture TechniquesEsophageal NeoplasmsOmentumReoperationEsophagusTreatment OutcomeRetrospective StudiesLaparoscopyDental LeakageStomach NeoplasmsRisk FactorsColorectal NeoplasmsTime FactorsAdenocarcinomaProspective StudiesFollow-Up StudiesCapillary PermeabilityNeoplasm StagingExtravasation of Diagnostic and Therapeutic MaterialsCapillary Leak SyndromeCerebrospinal Fluid Rhinorrhea