Clinical practice guidelines on cancer-related anemia (2012-2013 Edition)

Cancer-related anemia (CRA), is a common comorbidity of malignant tumors. CRA may have a variety of potential causes, though they can be classified as either tumor-related factors (such as blood loss, hemolysis and bone marrow invasion) or factors associated with cancer treatment (such as chemotherapy-associated bone marrow suppression and cancer radiation therapy).