Ranking-Aware Prompt Optimization for Multimodal Clinical Diagnosis
Ranking-aware prompt evolution lifts clinical AUROC on Qwen3-VL-8B and MedGemma-4B versus accuracy-based search.
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Stories tagged #medgemma
Beyond Accuracy: Counterfactual Fragility and Demographic Bias in Clinical Evaluation of LLMs
Clinical LLM tests find accuracy outruns counterfactual validity, with frequent answer changes under demographic prefixes.
ModaLens: Measuring Image Sensitivity in Report-Conditioned Medical VLMs
ModaLens image-swap audit shows report availability cuts MedGemma-27B image sensitivity on MIMIC-CXR from 20.94% to 4.26% answer changes.