Multi-RADS Synthetic Radiology Report Dataset and Head-to-Head Benchmarking of 41 Open-Weight and Proprietary Language Models. - Kartik Bose; Abhinandan Kumar; Raghuraman Soundararajan; Priya Mudgil; Samonee Ralmilay; Niharika Dutta; Manphool Singhal; Arun Kumar; Saugata Sen; Anurima Patra; Priya Ghosh; Abanti Das; et al. (CoRR, 2026)