The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. Supplementary Table 1 The result of RNA sequencing for PAX5-MLLT3 fusion gene. Supplementary Table 2 Clinical characteristics of four patients of PAX5-MLLT3 fusion genes. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.