Russian Oncohematology Association in cooperation with the Academy of Science and Medicine ,under the name of "Lenforum 2013" in Kiev,Ukraine,"Diagnosis and Treatment of Lymphoproliferative Disease" will be held in the forum of Interactive Expertise. Our President Prof. Dr. Süleyman Dinçer and General Secretary Birol Güvenç will attend to make the speech about " Bone Marrow Transplantation and Malignant Hematology”.