Four-dimensional flow MRI for identifying high-risk esophageal varices: a comparison and combination with spleen volume and splenic extracellular volume fraction. - Li, Xiaohuan; Zhang, Yuhan; Chen, Zhiyuan; Wei, Ke; Zhang, Yan; Zhao, Xiying; Zhang, Shuping; Huang, Ruhang; Liu, Yupin; Zhou, Dongjing (Insights into Imaging, 2026)