Source:http://linkedlifedata.com/resource/umls/id/C1301365
NCI: A disorder characterized by systemic infiltration of internal organs by aggregates of neoplastic mast cells and the presence of a clonal non-mast cell hematologic neoplasm (e.g., myelodysplastic syndrome, chronic myeloproliferative disorder, acute myeloid leukemia, and lymphoma).,NCI: disorder characterized by systemic infiltration of internal organs by aggregates of neoplastic mast cells and the presence of a clonal non-mast cell hematologic neoplasm.