UCSF-PDGM-VQA: Visual Question Answering dataset for brain tumor MRI interpretation

In three linesNew clinical VQA benchmark UCSF-PDGM-VQA: 2,387 QA pairs from 473 glioma MRI studies. Evaluation of 6 VLMs and 1 LLM shows current models fail on multi-sequence 3D MRI, suffering from modality collapse and over-reliance on language priors.

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