MicrosurgeryProctoscopyPreoperative CareLaser TherapyAdenoma, VillousPreoperative PeriodSpisulaLasers, GasNatural Orifice Endoscopic SurgeryRectal NeoplasmsAnal CanalNeurosurgeryAndrologyNeurosurgical ProceduresVasovasostomySurgery, Computer-AssistedOrgan Sparing TreatmentsTreatment OutcomePostoperative ComplicationsRadiosurgeryAmputation, TraumaticLaryngeal NeoplasmsPituitary IrradiationSurgical InstrumentsLasersRetrospective StudiesLaryngoscopyNeuroma, AcousticReconstructive Surgical ProceduresReplantationNeurilemmomaMeningiomaSurgical FlapsParticle AcceleratorsFallopian Tube DiseasesAdenomaSpinal Cord NeoplasmsEquipment DesignMeningeal NeoplasmsFollow-Up Studies