-CD7 positivity is associated with T cells, but can also be seen in some CD34+ hematopoietic stem cells and is not unexpected in a stem cell leukemia<ref name=":0" />. | -CD7 positivity is associated with T cells, but can also be seen in some CD34+ hematopoietic stem cells and is not unexpected in a stem cell leukemia<ref name=":0" />. |