 The recently identified ETV6/CBFA2 (formerly known as TEL/AML1) fusion gene occurs as a result of the t(12;21)(p12;q22).     ///    Correlation between the ETV6/CBFA2 (TEL/AML1) fusion gene and karyotypic abnormalities in children with B-cell precursor acute lymphoblastic leukemia..     ///    "Of the 7, FISH confirmed the ETV6/CBFA2 fusion in 6. "    ///    Nine of the 34 patient samples expressed the ETV6/CBFA2 transcript. 