Enhancing gastric cancer prognosis prediction via multi-step multi-modality ensemble survival modeling of HE-stained images and mIHC data. - Ruitian Gao; Xin Yuan; Yihan Sun; Yifan Wang; Yujia Xia; Ting Wei; Dakang Xu; Zhangsheng Yu (Comput. Methods Programs Biomed., 2025)