Clinical course demonstrating initial clinical response to larotrectinib. Top: clinical timeline and treatment course. Bottom: postcontrast T1‐weighted sagittal magnetic resonance imaging views at indicated days pre‐ or postsurgical resection. D indicates day number with respect to date of initial resection. Abbreviations: nivo., nivolumab; rad, radiation therapy; resp., response; prog., progression; TMZ, temozolomide.