Fine-Tuning Open-Source Large Language Models to Improve Their Performance on Radiation Oncology Tasks: A Feasibility Study to Investigate Their Potential Clinical Applications in Radiation Oncology. - Peilong Wang; Zhengliang Liu; Yiwei Li 002; Jason Holmes; Peng Shu; Lian Zhang; Xiang Li 001; Quanzheng Li; Brady S. Laughlin; Diego Santos Toesca; Sujay A. Vora; Samir H. Patel; et al. (CoRR, 2025)