P600: HIGH-DEPTH RNA-SEQUENCING IDENTIFIES CD8+ STAT3 MUTATED T-LGLL PATIENTS AS A DISTINCT BIOLOGICAL ENTITY WITHIN THE DISEASE HETEROGENEITY - G. Calabretto; A. Binatti; A. Teramo; G. Barilà; A. Buratin; V. R. Gasparini; C. Vicenzetto; E. Gaffo; V. Trimarco; L. Trentin; M. Facco; F. Vianello; et al. (HemaSphere, 2022)