five mds are described : ( 1 ) refractory anaemia ( ra ) , ( 2 ) ra with ring sideroblasts , ( 3 ) ra with excess of blasts ( raeb ) , ( 4 ) chronic myelomonocytic leukaemia ( cmml ) , and ( 5 ) raeb 'in transformation ' .
C0002893
refractory
C0002894
raeb