Hodgkin and RS cells in HL‐like ATLL show frequent EBV infection by in situ hybridization, and single‐cell PCR of giant cells and detection of recombinase‐activating gene frequently showed immature B‐cell characteristics related to rearrangements of IGH and JH genes in B cells.3 This evidence concerns the gene HJV and adult T-cell leukemia/lymphoma.