arXiv AI By Yang Zhong, Ling Luo, Xuanlyu Zhu, Yanhua Wang, Yuanyuan Sun, Jian Wang, Hongfei Lin

Tool-Augmented Large Language Models for Reliable Medical Calculation from Patient Notes

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The paper introduces a tool‑augmented large language model framework that improves the reliability of medical calculations derived from free‑form patient notes. It separates clinical language understanding from rule execution by retrieving calculator specifications, generating executable tools, and using a constrained extractor to map notes to calculator inputs. On the MedCalc‑Bench dataset, the method achieves 86.73% final‑answer accuracy, outperforming one‑shot prompting and fine‑tuned baselines by 24.0 and 17.27 percentage points.

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