GTF2I and acute promyelocytic leukemia: Mutations of GTF2I and gene fusions have been observed, respectively, in TETs and soft tissue angiofibromas (GTF2I/NCOA2 fusion), acute promyelocytic leukemias (GTF2I/RARA fusion), and pilocytic astrocytoma (GTF2I/BRAF fusion) [35,38].