#cytopenia  a deficiency of some cellular element of the blood
  supertype:  blood_disease__blooddisease__blood_disorder__blooddisorder  a disease or disorder of the blood
  subtype:  hematocytopenia  an abnormally low number of red blood cells in the blood
  subtype:  pancytopenia  an abnormal deficiency in all blood cells (red blood cells and white blood cells and platelets); usually associated with bone marrow tumor or with aplastic anemia

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