Colorectal SurgeryHepatitis, Infectious CanineDog DiseasesRectumRectal DiseasesColectomyColorectal NeoplasmsColonic DiseasesDigestive System Surgical ProceduresAnastomotic LeakPremedicationDogsSurgical Procedures, ElectiveColonLaparoscopyHand-Assisted LaparoscopySurgical Wound InfectionSurgical SpongesPostoperative ComplicationsCatharticsPerioperative CareCefotetanAnastomosis, SurgicalPreoperative CareEmbalmingPostoperative CareInfusions, IntralesionalLength of StayTreatment OutcomeRectal NeoplasmsIntraoperative CareLearning CurveDiverticulitisProspective StudiesIleusIntraoperative PeriodRoboticsPostoperative PeriodSurgical StaplingAdenomaAntibiotic ProphylaxisFluid TherapyRetrospective StudiesTime FactorsIntraoperative ComplicationsMetronidazoleColonoscopyColorectal Neoplasms, Hereditary NonpolyposisFollow-Up StudiesRisk FactorsPain, PostoperativeRecovery of FunctionColonic PolypsClinical CompetenceColonic NeoplasmsDouble-Blind MethodAdenocarcinomaStatistics, NonparametricBariatric SurgeryChi-Square DistributionSigmoidoscopyGeneral SurgeryAdenomatous PolypsPrognosisNeoplasm StagingFluorouracil