Non-contrast Abbreviated MRI for Secondary Surveillance of HCC

"Liver MRI without contrast injection. The following sequences will be obtained from all of the participants.~* Axial heavily and regular T2 WI~* precontrast fat-suppressed T1 WI~* Diffusion-weighted image using b-value of 0, 50 or 400, and 800 or 1000"

"Liver CT with iodine contrast injection This test will be served as a standard diagnostic test. The following phases will be obtained~* precontast, arterial phase, portal venous phase and delayed phase"