STAT3 and T-cell large granular lymphocyte leukemia: Considering these data and the clinical features of CD8 + STAT3-mutated cases, additional studies were focused on the pairwise comparisons of two main entities, i.e., CD8 + STAT3 and OTH T-LGLL, with respect to CTR and to each other (Fig. 2C; Supplementary Table 4).