PathoSage: Towards Multi-Source Evidence Adjudication in Pathology via Experience-Aware Agentic Workflow
Quick Answer
PathoSage introduces a three-stage framework for patch-level pathology reasoning, effectively reducing hallucinations and classifier disagreement.
Quick Take
Its Structured Evidence Deliberation component enhances decision-making by evaluating heterogeneous evidence and mitigating anchoring bias, outperforming existing MLLM and agentic systems in experiments.
Key Points
- PathoSage separates knowledge retrieval, evidence collection, and adjudication for improved reasoning.
- Structured Evidence Deliberation independently evaluates evidence, reducing anchoring bias.
- The framework outperforms existing MLLM and agentic baselines in experiments.
- Introduces a training-free Beta-Bernoulli experience system for tool reliability.
- Mitigates hallucinations in visual question answering (VQA) tasks.
Paper Resources
Source Excerpt
arXiv:2606. 07549v1 Announce Type: new Abstract: Recent advances in Multimodal (MLLMs) and agent workflows have shown strong promise for computational pathology, yet reliable patch-level reasoning remains challenging. End-to-end pathology MLLMs often hallucinate morphological features, while recent agentic systems usually merge tool outputs and retrieved knowledge into a shared context, making decisions vulnerable to conflicting evidence and context contamination.
We propose PathoSage, a three-stage framework that explicitly separates knowledge retrieval, evidence collection, and evidence adjudication for patch-level pathology multimodal reasoning. …
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