C2HFusion: Clinical context-driven hierarchical fusion of multimodal data for personalized and quantitative prognostic assessment in pancreatic cancer. - Bolun Zeng; Yaolin Xu; Peng Wang; Tianyu Lu; Zongyu Xie; Mengsu Zeng; Jianjun Zhou; Liang Liu; Haitao Sun; Xiaojun Chen (Medical Image Anal., 2026)