English to Arabic Medical Medical (general) Stem Cell Translplants

Text:
"it may be necessary to use a less toxic chemotherapy protocol, called sub-myeloablative transplant to allow gradual engraftment of the donor cell’s with subsequent progressive replacement of the host’s own cells and immunity"

Background:
Stem cell transplants are preceded by a regime of high doses of chemotherapy and radiation to destroy stem cells in the patient's bone marrow; this allows for its replacement by stem cells from the donor bone marrow. In some cases, the risk of such preparation is too high for the patient, thus a sub-myeloablative transplant is applied in which the patient's marrow is not totally depleted.

In the term myeloablative, "myelo" means "related to marrow", "ablative" means "removal"

The term "sub-myeloablative" can be described as:
أقل جذّاً للنخاع

But is there a standard Arabic medical term for it?