BRAF and cancer: Similar to other malignant tumors, BRAF mutations also exist in sarcomas, which have been confirmed by researchers, and the overall mutation is less than 9%24, 33(Figure 5B).To our knowledge, few systematic studies on the mutation status and gene sequencing of BRAF in sarcoma have been performed; most reports have focused on case reports and treatment effects in patients treated with BRAF inhibitors.24