2. Measureable disease as indicated by monoclonal protein in the serum of greater than or equal to (≥) 1 grams per deciliter (g/dL), involved serum free light chain assay ≥10 mg/dL (≥100 mg/L) provided the serum free light chain ratio is abnormal; monoclonal light chain in the urine protein electrophoresis of ≥ 200 mg/24 hours, or measurable plasmacytoma