NRG Oncology Liver Proton SBRT and Hypofractionated Radiation Therapy: Current Treatment Technical Assessment and Practice Patterns. - Kang, Minglei; Taylor, Paige A.; Shen, Jiajian; Zhou, Jun; Saini, Jatinder; Hong, Theodore S.; Higgins, Kristin; Liu, Wei; Xiao, Ying; Simone II, Charles B.; Lin, Liyong (Cancers, 2025)