umls-concept:C0376545 | skos:definition | MSH: Neoplasms located in the blood and blood-forming tissue (the bone marrow and lymphatic tissue). The commonest forms are the various types of LEUKEMIA, of LYMPHOMA, and of the progressive, life-threatening forms of the MYELODYSPLASTIC SYNDROMES.,NCI: A cancer of the blood or bone marrow, such as leukemia or lymphoma. | lld:umls |