P1285: IMPROVING THE EFFECTIVENESS OF FIRST-LINE THERAPY FOR STAGE IV DIFFUSE LARGE B-CELL LYMPHOMA WITH UPFRONT AUTOLOGOUS HEMATOPOIETIC STEM CELL TRANSPLANTATION.
Authors: Aleksei Koviazin, Larisa Filatova, Ilya Zyuzgin, Anna Artemyeva, Ilia Poliatskin, Leonid Kramynin, Tatiana Semiglazova