borderline significancep = 0.054
The favorable prognostic impact on PFS of SOCS1 mutations described in the prior report [ 36 ] was maintained, although with borderline significance, also in the cohort analyzed by the present study (2-year PFS 93% vs. 70%, p = 0.054), while there was no evident impact on OS (100.0% vs. 86.8% at 2 years, p = 0.167).