MicrosurgeryProctoscopyBiopsyLaser TherapyAdenoma, VillousSpisulaBiopsy, NeedleLasers, GasNatural Orifice Endoscopic SurgeryAnal CanalNeurosurgeryAndrologyClassificationVasovasostomyRectal NeoplasmsNeurosurgical ProceduresSurgery, Computer-AssistedOrgan Sparing TreatmentsRadiosurgeryLaryngeal NeoplasmsAmputation, TraumaticPituitary IrradiationLasersSurgical InstrumentsLaryngoscopyNeuroma, AcousticReplantationFallopian Tube DiseasesReconstructive Surgical ProceduresTreatment OutcomeParticle AcceleratorsNeurilemmomaSurgical FlapsMeningiomaRetrospective StudiesEquipment DesignAdenomaSpinal Cord NeoplasmsMeningeal Neoplasms