Extracellular volume fraction determined by equilibrium contrast-enhanced computed tomography: correlation with histopathological findings in gastric cancer. - Nishimuta, Yusuke; Tsurumaru, Daisuke; Kai, Satohiro; Maehara, Junki; Asayama, Yoshiki; Oki, Eiji; Ishigami, Kousei (Japanese Journal of Radiology, 2023)