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. 2021 Mar 11;11:628807. doi: 10.3389/fonc.2021.628807

Figure 1.

Figure 1

Workflow of patient selection. Total of 2,604 patients were diagnosed with DLBCL. Of the 2,217 patients with informed consent to review of medical records, 828 patients have refractory or relapsed disease. DNA extraction was performed using samples from 116 patients with rrDLBCL, but samples from 58 patients failed to pass the quality control. DLBCL, diffuse large B-cell lymphoma; rr, refractory/relapsed; NGS, next-generation sequencing.