TP53 and diffuse large B-cell lymphoma: However, after dividing the WT-TP53 subset into GCB and ABC subtypes of DLBCL patients, p63 expression showed GEP signatures, more distinctive in ABC than in GCB (Fig 6C, Supplemental Fig S3A), which was opposite to the pattern for overall ABC and GCB (only few DEGs in ABC compared to the distinct GEP signature in GCB, Supplemental Table S1).