I was diagnoses July 24 with stage 3 and elevated lamba light chain (105), post BMT and on maintaince since. Last week my kappa light chains went up from 5 to 24. Anyone know if MM can switch from lamba to kappa and is a tripling an early sign of progression?

Hello my brother was diagnosed with MM in 2019 and got stem cell therapy and chemo but in 2022 started Teclistamab therapy but stopped it cuz lung infectionshe was losing weight nothing to bad but once they stopped it He can’t stop losing Eating same Did anyone experience this? In last year he dropped 40 pounds and last month 20

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