Evaluating generative AI for medical image captioning: a benchmark study on radiology images - Mendes Pereira, Heitor; Didier Maranhão, Pedro; de Araújo Xavier, Vitoria; Ing Ren, Tsang; Duggal, Anoushka; Seco de Herrera, Alba G.; Abolghasemi, Vahid (Medical Imaging 2026: Imaging Informatics, 2026)