Laboratory examination showed anemia (hemoglobin: 3.9 g/dl), hypoalubuminemia (1.5 g/dl), hypergammaglobulinemia (IgG: 8140 mg/dl, normal: 870–1700 mg/dl, IgA: 851 mg/dl, normal: 110–410 mg/dl, IgM: 297 mg/dl, normal: 46–260 mg/dl) and an elevation of serum levels of C-reactive protein (CRP) (9.8 mg/dl). Here, CD79A is linked to anemia (phenotype).