Elucidating the structure and function of the nucleus—The

nih4dPurpose: The authors develop the 4D extended cardiac-torso (XCAT) phantom for multimodality imaging research. Methods: Hhly detailed whole-body anatomies for the adult maleThis paper reviews recent advances in 4D medical imaging (4DMI) and 4D radiation therapy (4DRT), which study, characterize, and minimize patient motion during the processes of