task_categories:text-generation task_categories:image-to-text task_categories:summarization language:en license:other size_categories:100K<n<1M format:json modality:tabular modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2510.00428 region:us medical radiology chest-xray mimic-cxr clinical-reports structured-reports