#chronic_leukemia__chronicleukemia  slowly progressing leukemia
  supertype:  leukemia__leukaemia__cancer_of_the_blood  malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
  subtype:  chronic_lymphocytic_leukemia__chroniclymphocyticleukemia  chronic leukemia characterized by lymphoblast-like cells; more common in older men
  subtype:  chronic_myelocytic_leukemia__myeloid_leukemia__myeloidleukemia  chronic leukemia characterized by granular leukocytes; more common in older people

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