Bekkenk et al. [11] summarized 82 PTCL cases and found that the CD3+/CD4+/CD8− was the most common type (72%), followed by CD3+/CD4−/CD8+ (15%), CD3+/CD4−/CD8−/ (11%), and CD3+/CD4+/CD8+ (2%). Here, CD4 is linked to mature T-cell and NK-cell non-Hodgkin lymphoma.