Medical Definition of Hematology-oncology
Hematology-oncology: The diagnosis, treatment and prevention of blood diseases (hematology) and cancer (oncology) and research into them. Hematology-oncology includes such diseases as iron deficiency anemia, hemophilia, sickle cell disease, the thalassemias, leukemias and lymphomas, as well as cancers of other organs. Abbreviated hem-onc.
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