Distinct genetic features of IVLBCL. (A) Cooccurrence of top 10 mutations detected in IVLBCL cohort. (B) Lollipop plot showing SNVs detected in switch 2 domain of Rho GTPase family member RAC2 in 4 patients of IVLBCL. (C-D) Copy number loss of CDKN2A on chromosome 9p21 in 2 patients detected in our cohort. SNV, Single nucleotide variants.