{Reference Type}: Case Reports {Title}: Marked Response to Larotrectinib in Pelvic Spindle Cell Sarcoma With Concurrent TPM3-NTRK1 Fusion and CDK4/MDM2 Amplification: A Case Report. {Author}: Huang WK;Huang SC;Chen CM;Lin PH;Wu CE;Chuang CK;Yeh CN; {Journal}: JCO Precis Oncol {Volume}: 7 {Issue}: 0 {Year}: 01 2023 {Factor}: 5.479 {DOI}: 10.1200/PO.22.00528 {Abstract}: