257 IMPACT OF DYSPLASTIC MEGAKARYOCYTES ON THE PROGNOSIS OF PATIENTS WITH MYELODYSPLASTIC SYNDROME. Issue 1 (April 2015) - Feng, G.; Cui, W.; Cai, W.; Qin, T.; Zhang, Y.; Xu, Z.; Fang, L.; Zhang, H.; Pan, L.; Hu, N.; Qu, S.; Li, B.; et al.