Diagnostic Techniques, UrologicalImmunomagnetic SeparationNeoplastic Cells, CirculatingTumor Markers, BiologicalMagneticsBiological MarkersCell SeparationFlow CytometryGenetic MarkersCell Line, TumorCryptosporidium parvumAntigens, CD34Tumor Necrosis Factor-alphaAntigens, SurfaceSensitivity and SpecificityAntibodies, MonoclonalPolymerase Chain ReactionTumor BurdenCell DifferentiationEscherichia coli O157Antigens, NeoplasmLeukapheresisAntigens, CDOocystsImmunophenotypingCells, CulturedMicrospheresImmunologic Techniques