Follow-up Bcl-2/IgH status and level. (A) Bcl-2/IgH follow-up level. Horizontal bars indicate the median Bcl-2/IgH level. Diamonds correspond to individual sample values. (B) Kaplan-Meier plots of PFS according to the follow-up Bcl-2/IgH status (positive vs negative) and level: high vs low vs negative (Bcl-2/IgH level of >0.01 vs <0.01 vs negative).