Transplantation of bone marrow or blood cells from a person other than the
patient. The donor is usually a close relative, such as parent or sibling
of the patient.
Transplantation of patient's own bone marrow or blood cells taken before
high-dose chemo- therapy or radiation.
Transplantation of bone marrow or blood cells taken from the identical
twin of the patient. Syngeneic BMT is often the most effective type of BMT.