TY - RPRT TI - Anatomy-preserving rare-subregion correction for pediatric brain tumor segmentation on multiparametric MRI: a BraTS-PEDs 2026 challenge study AU - Rai, H. M. AU - Omarbekov, D. AU - Gul, M. PY - 2026 DO - 10.64898/2026.11.11.765920 UR - https://www.biorxiv.org/content/10.64898/2026.11.11.765920v1 ID - 10.64898/2026.11.11.765920 ER -