Radiology's Last Exam (RadLE): Benchmarking Frontier Multimodal AI Against Human Experts and a Taxonomy of Visual Reasoning Errors in Radiology. - Suvrankar Datta; Divya Buchireddygari; Lakshmi Vennela Chowdary Kaza; Mrudula Bhalke; Kautik Singh; Ayush Pandey; Sonit Sai Vasipalli; Upasana Karnwal; Hakikat Bir Singh Bhatti; Bhavya Ratan Maroo; Sanjana Hebbar; Rahul Joseph; et al. (CoRR, 2025)