NephrectomyLaparoscopyHand-Assisted LaparoscopyKidney NeoplasmsCarcinoma, Renal CellPyelonephritis, XanthogranulomatousUmbilicusLearning CurveConversion to Open SurgeryHospitals, CountyRetroperitoneal SpaceCholecystectomy, LaparoscopicPolycystic Kidney DiseasesHemostasis, SurgicalTreatment OutcomeRetrospective StudiesUrologyBlood Loss, SurgicalPostoperative ComplicationsFree RadicalsLiving DonorsAngiomyolipomaRenal ArteryLength of StayRenal VeinsNeoplasm StagingVena Cava, InferiorTomography, X-Ray ComputedTime FactorsSurgical Procedures, Minimally InvasiveRoboticsLaparoscopesFollow-Up StudiesHydroxyl RadicalKidneyPrognosisTissue and Organ HarvestingOperative TimeSurvival AnalysisWarm IschemiaKidney TransplantationNeoplasm Recurrence, LocalPneumoperitoneum, ArtificialSEER ProgramUreterSurvival RateIntraoperative ComplicationsFree Radical ScavengersLaparotomyAppendectomySurgical InstrumentsKaplan-Meier EstimateFundoplicationGynecologic Surgical ProceduresUrologic Surgical ProceduresUreteral DiseasesSurgical MeshSuture TechniquesProspective StudiesFeasibility StudiesColectomyHysterectomyUremiaPhysician's Practice Patterns