NCIt definition : A laboratory finding indicating decreased number of hematopoietic cells in the bone
marrow. It may result from decreased proliferation of all or part of the hematopoietic
series (erythroid, myeloid, and megakaryocytic). Microscopically, the hematopoietic
cells are replaced by adipocytes.;
Alternative definition : CTCAE: A disorder characterized by the inability of the bone marrow to produce hematopoietic
elements.;