Secondly, we did not stain all subtypes of CTCLs, with the notable omission of primary cutaneous gamma-delta T-cell lymphoma, primary cutaneous acral CD8+ T-cell lymphoma, and primary cutaneous CD8+ aggressive epidermotropic cytotoxic T-cell lymphoma due to the extreme rarity of these entities. Here, CD8A is linked to T-cell non-Hodgkin lymphoma.