ZMIZ1::ABL1 Fusion: An Uncommon Molecular Event With Clinical Implications in Pediatric Cancer.

Context.—: Pediatric B-cell acute lymphoblastic leukemia is genetically and phenotypically heterogeneous, with a genetic landscape including chromosomal translocations that disrupt ABL proto-oncogene 1, non-receptor tyrosine kinase (ABL1).

Objective.