TPR and Ewing sarcoma: The other two NTRK gene fusions in pediatrics were an LPP1::NTRK2 fusion (Ewing’s sarcoma), and a RAD51B::NTRK3 (PTC); we did not identify ETV6::NTRK3 [21, 41, 42, 43], TPR::NTRK1 [41, 42] – NTRK gene fusions were more commonly reported among pediatrics with solid tumors.