Bone marrow smear from a patient aged 60 years‚ complaining of cough‚ shortness of breath‚ and chest pain. Hb = 18.3b/dl.‚ MCV 103 fl.‚ MCH 43.9 pg.‚ white cells 8.2x10^9/l‚ platelets 212x10^9/L. Total protein 75g/l.‚ IgA 0.45 g/l.‚ IgG 0.50 g/l.‚ IgM 36.2 g/l. Explain the findings.
