collaborators

5 papers

cs.CL2026

FaithMed: Training LLMs For Faithful Evidence-Based Medical Reasoning

Zhiyun Zhang, Liwen Sun, Xiang Qian +1

Faithful reasoning is essential in medicine, where clinical decisions require transparent justification grounded in reliable evidence. Current medical LLMs either lack active acces…

cs.CL2026

Linking Knowledge to Care: Knowledge Graph-Augmented Medical Follow-Up Question Generation

Liwen Sun, Xiang Yu, Ming Tan +4

Clinical diagnosis is time-consuming, requiring intensive interactions between patients and medical professionals. While large language models (LLMs) could ease the pre-diagnostic…

cs.AI2026

1-2-3 Check: Enhancing Contextual Privacy in LLM via Multi-Agent Reasoning

Wenkai Li, Liwen Sun, Zhenxiang Guan +2

Addressing contextual privacy concerns remains challenging in interactive settings where large language models (LLMs) process information from multiple sources (e.g., summarizing m…

cs.LG2025

Intercept Cancer: Cancer Pre-Screening with Large Scale Healthcare Foundation Models

Liwen Sun, Hao-Ren Yao, Gary Gao +2

Cancer screening, leading to early detection, saves lives. Unfortunately, existing screening techniques require expensive and intrusive medical procedures, not globally available,…

cs.CL2025

Fact-Aware Multimodal Retrieval Augmentation for Accurate Medical Radiology Report Generation

Liwen Sun, James Zhao, Megan Han +1

Multimodal foundation models hold significant potential for automating radiology report generation, thereby assisting clinicians in diagnosing cardiac diseases. However, generated…