NTRK3 and fibrosarcoma: Moreover, ETV6-NTRK3 was identified in CRC [83,84], glioma [85,86], spitz tumor [87], lung adenocarcinoma [88], infantile fibrosarcoma [88,89], gastrointestinal stromal tumor [88,90], thyroid carcinoma [91,92], uterine sarcoma [86], and sinonasal adenocarcinoma [93].