ETV6-NTRK3 and (rarely) EML4-NTRK3, LMNA-NTRK1, TPM3-NTRK1, and SQSTM1-NTRK1 fusions have been reported in infantile fibrosarcomas (Table 1) [4, 8, 16]. This evidence concerns the gene NTRK1 and fibrosarcoma.