Hello, I have a couple questions about the BraTS-PEDs 2026 dataset. **1. Longitudinal Cohort.** The challenge describes 35 post-treatment longitudinal patients (105 cases), but the batch-2 download contains only 13 patients. Where are the remaining 22 patients? Are they reserved for the hidden test set or pending a later release? **2. Metadata sharing.** No metadata files are provided for the 2026 BraTS-PEDs dataset. In the 2025 release, demographics (e.g. age, sex, ethnicity, race) were populated only for 116 training subjects and scanner/imaging info for 112 subjects, with nothing for the validation set and non tumor-type fields anywhere. Would it be possible for you to share tumor type, demographic info, and scanner/imaging info for the other subjects?

Created by Zander Giuffrida zndr27

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