Frozen SectionsMicrotomyParaffinHistocytochemistryImmunoenzyme TechniquesIntraoperative PeriodPathology, SurgicalHistological TechniquesFluorescent Antibody TechniqueCryoultramicrotomyImmunohistochemistryCesarean SectionStaining and LabelingAntibodies, MonoclonalFixativesTelepathologyFreezingLymph NodesConizationParaffin EmbeddingBiopsyFalse Negative ReactionsMicroscopy, ElectronSentinel Lymph Node BiopsyIntraoperative CareFluorescent Antibody Technique, IndirectAutoradiographyPalatine TonsilDiagnostic Techniques, SurgicalEpitheliumDiagnostic ErrorsSensitivity and SpecificityAntigensAntigens, NeoplasmTolonium ChlorideCytodiagnosisEyelid NeoplasmsAntigens, SurfaceReticulinRats, Inbred StrainsRabbitsBiopsy, NeedleCell CountLymphomaMohs SurgeryCorneaMicroscopy, FluorescenceBreast NeoplasmsTissue DistributionAntibody SpecificityCarcinoma, LobularLymphatic MetastasisMusclesRNA, MessengerSkinPregnancyTissue PreservationRetinaMicrodissectionImmunologic TechniquesOsmium TetroxideTissue FixationLymphoid TissueKeratinsT-LymphocytesLiverIntestinal MucosaFetusSpecimen HandlingAntibodiesAntigens, CDCell Adhesion MoleculesCarcinomaLymph Node ExcisionHysterectomyHistocompatibility Antigens Class IIBrainKidneyHLA-DR AntigensRats, Sprague-DawleyAxillaRetrospective StudiesBreastLymphocytesTime FactorsMice, Inbred BALB C