arXiv AI By Federica Bologna, Jean-Philippe Corbeil, Matthew Wilkens, Asma Ben Abacha

Towards Better Aligned LLM Judges for Radiology Report Evaluation across Modalities and Anatomies

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The paper evaluates large language model (LLM) judges for radiology report assessment across multiple imaging modalities and anatomical regions, comparing four existing metrics (RadFact, GREEN, FineRadScore, CRIMSON) with a new metric called VERT. GREEN emerges as the most robust among current metrics, while VERT improves correlation with radiologist judgments by up to 26% over GREEN. The study also shows that ensembling and lightweight fine‑tuning of the Qwen3‑30B model can yield additional performance gains and significant latency reductions.

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