An exceptionally rare case of a diffuse midline glioma with concomitant H3.1 K27M and G34R mutations in the HIST1H3C (H3C3) gene. - Reisz, Zita; Pereira, Rita; Nevis, Smitha; Mackay, Alan; Bhaw, Leena; Grabovska, Yura; Laxton, Ross; Molinari, Valeria; Burford, Anna; Clark, Barnaby; Bleil, Cristina; Zebian, Bassel; et al. (Acta Neuropathologica Communications, 2025)