myelodysplastic syndromes

Myelodysplastic syndromes (MDS) are a group of cancers in which immature blood cells in the bone marrow do not mature, so do not become healthy blood cells. Early on, no symptoms typically are seen. Later, symptoms may include feeling tired, shortness of breath, easy bleeding, or frequent infections. Some types may develop into acute myeloid leukemia.Risk factors include previous chemotherapy or radiation therapy, exposure to certain chemicals such as tobacco smoke, pesticides, and benzene, and exposure ...