论文详情英文标题How Do Medical MLLMs Fail? A Study on Visual Grounding in Medical Images作者Guimeng Liu, Tianze Yu, Somayeh Ebrahimkhani, Lin Zhi Zheng Shawn, Kok Pin Ng, Ngai-Man Cheung期刊/会议ICLR 2026 Poster发表年份2026 年研究方向医疗多模态