Potential of Masked Vision Transformer for Predicting Macrovascular Invasion on Liver CT Images: Graph-Based Association Analysis of Attention Heads. - Kengo Takahashi; Yuwen Zeng; Kei Ichiji; Zhang Zhang; Haoyang Liu; Issei Yoshizumi; Ryusei Inamori; Takuma Usuzaki; Noriyasu Homma (ISBI, 2026)