NephrectomyLaparoscopyHand-Assisted LaparoscopyKidney NeoplasmsCarcinoma, Renal CellPyelonephritis, XanthogranulomatousUmbilicusLearning CurveConversion to Open SurgeryRetroperitoneal SpaceHospitals, CountyCholecystectomy, LaparoscopicTreatment OutcomePolycystic Kidney DiseasesHemostasis, SurgicalRetrospective StudiesUrologyBlood Loss, SurgicalPostoperative ComplicationsFree RadicalsLiving DonorsAngiomyolipomaRenal ArteryLength of StayRenal VeinsNeoplasm StagingTomography, X-Ray ComputedTime FactorsVena Cava, InferiorSurgical Procedures, Minimally InvasiveRoboticsLaparoscopesFollow-Up StudiesAntigens, Polyomavirus TransformingHydroxyl RadicalKidneyPrognosisTissue and Organ HarvestingNeoplasm Recurrence, LocalOperative TimeSimian virus 40Warm IschemiaSurvival AnalysisKidney TransplantationAntigens, Viral, TumorPneumoperitoneum, ArtificialTumor BurdenWilms TumorUreterSurvival RateIntraoperative ComplicationsTumor Markers, BiologicalFree Radical ScavengersLaparotomySEER ProgramAppendectomySurgical InstrumentsFundoplicationKaplan-Meier EstimateUrologic Surgical ProceduresUreteral DiseasesSurgical MeshGynecologic Surgical ProceduresTumor Necrosis Factor-alphaCell Line, TumorSuture TechniquesUremiaNeoplasms, ExperimentalFeasibility Studies