NTRK3 and congenital fibrosarcoma: Moreover, t(12;15)(p13;q25) leading to an ETV6-NTRK3 fusion is a characteristic chromosomal translocation associated with cancers in all of the germ layers, including secretory breast carcinoma, congenital fibrosarcoma, congenital mesoblastic nephroma, and acute myelogenous leukemia [26,27,28,29,30,31].