NTRK3 and fibrosarcoma: Consistent with our findings, research studies have increasingly demonstrated the presence of the ETV6-NTRK3 fusion in various tumor types, including glioblastoma, ductal carcinoma, fibrosarcoma, and THCA (Tognon et al., 2002; Bastos et al., 2018; Biswas et al., 2022; Jiang, 2022).