Li, Yuzhuo, Lihong Zhang, Yingbo Liang, Chongxin Xu, and Tong Liu. 2026. “Retraction Notice: Improvements in Brain Tumor Segmentation Methods Based on Convolutional Neural Networks”. EAI Endorsed Transactions on E-Learning 11 (March). https://doi.org/10.4108/eetel.12186.