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Progression-free survival according to CD20 content. (A) Kaplan-Meier plots of progression-free survival (PFS) in the study cohort for the two risk groups according to B-cell content (CD20-positive cell rate: ≤21% or >21%). (B) Kaplan-Meier plots of PFS in the validation cohort for the two risk groups according to Bcell content (CD20-positive cell rate: ≤10% or >10%).
