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Aim
The clinical course of diffuse large B‐cell lymphoma (DLBCL) is variable and there is a lack of prognostic markers and models for relapsed or refractory (r/r) DLBCL. Hence, we conducted this study to identify independent factors that can predict the survival rate of r/r DLBCL patients.
Methods
A total of 416 r/r DLBCL patients who were pretreated with first‐line anthracycline‐based chemotherapy...