Neoplasms of the hematopoietic system, including hematopoietic cell neoplasms (e.g. leukemias, lymphomas) and non-hematopoietic cell neoplasms that can affect the hematopoietic system (e.g. lymph node and splenic sarcomas). --2003. The disease is MONDO_0002334 (hematopoietic and lymphoid system neoplasm). Also known as: blood neoplasm (disease), blood tumor, blood tumour, haematological tumours, haematopoietic and lymphoid system tumour, haematopoietic system neoplasm, haematopoietic system tumour, haematopoietic tumours.