TP53 and Burkitt lymphoma: Most TP53 abnormalities were seen in patients diagnosed with BL and the presence of any TP53 abnormality remained adversely prognostic within this subgroup (PFS 67.5% (95% CI 54.4–83.7) vs 100% (95% CI 100–100), p = 0.005 and OS: 75% (95% CI 62.7–89.7) vs 100 (95% CI 100–100, p = 0.017) (Supplementary Fig. 5).