My daughter diagnosed SMM in March 2023with 25% plasma cell in BM and it is IgA kappa with light chain ratio 48%. No symptoms were there up to observation of 6 month except ostopenia. Doctor decided BMT and it done in February 2024. After BMT she is on maintenance therapy till date. M spike not detected now since BMT otherwise before treatment it was 4.5. Now my daughter feels healthy.